lowercase mailUnixmail is a command line email client for Unix and Unix like operating system s. Example usage syntaxhighlight lang bash mail s You ve got mail c cc.rider example.org somebody example.com anotherbody example.net syntaxhighlight This sends a message with the subject You ve got mail to two recipients, somebody example.com and anotherbody example.net, and CCs copies a third, cc.rider example.org. The message will be typed after the command is entered and will be ended with Control D. Any Unix command sequence that generates text can be used to send a message in one line. For example syntaxhighlight lang bash echo Some message mail s meeting today somebody example.com syntaxhighlight This is especially useful for having a system report its status automatically through email. See also Cleancode email mailx External links http mailutils.org manual html section mail.html tt mail tt at GNU Mailutils manual Unix commands Category Unix internet software Unix stub fr MailUnix pl MailUnix ru Mail zh MailUnix ... more details
lowercase In Unix like computer operating system s, the code at code command is used to schedule command computing command s to be executed once, at a particular system time time in the future. More precisely, it reads a series of commands from standard input and collects them into one at job which is carried out at a later date. The at job inherits the current environment, so that it is executed in the same working directory and with the same environment variable s set as when it was scheduled. It differs from code cron code which is used for recurring executions e.g. once an hour, every Tuesday, January 1 every year . As with code cron code , many Unix systems allow the administrator to restrict access to the code at code command. code at code can be made to mail a user when done carrying out a scheduled job of theirs, can use more than one job queue, and can read a list of jobs to carry out from a file instead of standard input. A sample command to compile a C programming language C program at 11 45 a. m. on January 31st and e mail the results Standard streams STDOUT and STDERR to your user ID would be source lang bash echo cc o foo foo.c at 1145 at 1145 jan 31 at cc o foo foo.c at D press Control D while at the beginning of a line atq 1234 2011 08 12 11 45 cc o foo foo.c user atrm 1234 atq source In some Unix like computer operating system s it uses a Daemon computer software daemon , code atd code , which waits in the background periodically checking the list of jobs to do ... s replacement for at. List of Unix programs External links man cu at SUS execute commands at a later time man 1 at queue, examine or delete jobs for later execution unix commands unix stub Category Standard Unix programs At Category Unix SUS2008 utilities Category Unix process and task management related software ca At Unix cs At Unix de At Unix el At Unix es At Unix fr At Unix it At Unix hu At Unix ja At UNIX pl At Unix pt At Unix ro At Unix ru At uk At ... more details
Infobox OS name Unix logo screenshot Image Unix history simple.svg 250px caption Evolution of Unix and Unix ... model Historically Closed source software closed source , now some Unix projects Berkeley Software ... Command line interface & Graphical user interface Graphical X Window System family Unix released 1969 license Proprietary software Proprietary working state Active Unix officially trademarked as UNIX , sometimes also written as span style font variant small caps Unix span is a Computer multitasking ... Ken Thompson , Dennis Ritchie , Brian Kernighan , Douglas McIlroy , and Joe Ossanna . The Unix operating ... porting to other hardware. Today s Unix system evolution is split into various branches, developed ..., owns the UNIX trademark. Only systems fully compliant with and certified according to the Single UNIX Specification are qualified to use the trademark others might be called Unix system like or Unix ... is a Unix like operating system? Unix.org FAQ ref of this term. However, the term Unix is often used ... 1970s and early 1980s, the influence of Unix in academic circles led to large scale adoption of Unix particularly of the Berkeley Software Distribution BSD variant, originating from the University ... all variants of Unix, the most widely used are Linux Citation needed date January 2012 , which is used ... or e book readers. Today, in addition to certified Unix systems such as those already mentioned, Unix like operating systems such as MINIX , Linux , Android operating system Android , and BSD descendants ... Unix may be used to describe an operating system that has the characteristics of either Version 7 Unix or UNIX System V . Overview Unix operating systems are widely used in Server computing server s, workstation ... unixs revenge title Unix s Revenge publisher asymco date 2010 09 29 accessdate 2010 11 09 ref The Unix ... computers. Originally, Unix was meant to be a programmer s workbench more than to be used ... first4 Mike title Unix Power Tools year 2002 isbn 0 596 00330 7 ref Both Unix and the C programming ... more details
notability date September 2011 Unreferenced stub auto yes date December 2009 Expert subject Telecommunications date November 2008 infobox software name As latest release version latest release date platform website as is a generic name for an assembly language Assembler assembler on Unix . The GNU Project s assembler is named GNU assembler Gas . Category Assemblers Category Unix programming tools Unix stub fr As Unix ru As ... more details
atmail.com linux email server Atmail Mail server http atmail.com linux email server mobile push Exchange ActiveSync Push mail support DEFAULTSORT Atmail Category Email clients Category Groupware Category ... more details
POV check date September 2009 Infobox Top level domain name .mail background D2B48C image File Spamhaus.jpg The Spamhaus Project 220px introduced Not officially introduced proposed in 2004 type Proposed top level domain status Unapproved application registry None yet established sponsor http www.ascregistry.org Anti Spam Community Registry founded by Spamhaus intendeduse To allow non spam mail to be identified as such via an authenticatable address based on that of the mail server actualuse Not in use yet, as it is unapproved and not in root restrictions Must already have a domain in another TLD for at least 6 months subject to verification of WHOIS data can be revoked if involved in spamming structure Registrations must be based on existing domain owned by registrant, such as example.org.mail ... applies, but since registrations are based on other existing domain, ownership of .mail domain will follow ... .mail is a generic top level domain proposed by The Spamhaus Project in 2004, but unapproved by ICANN ... spam free mailstreams. Core Functionality .mail would attempt to reduce the Spam e mail spam ... to send mail. A .mail domain would only be able to be registered by a party that already owns a domain ... has been verified for accuracy. The structure of the .mail domain consists of existing domain names ..., the .mail domain would not be fully under the control of the registrant, but would go to a publicly ... and revokes names registered to spammers. Mail filtering software can also query the .mail address ... .mail would provide a method for increasing the reliability of the email infrastructure ... better email anonymity services. Security Considerations .mail was designed to withstand attack ... http web.archive.org web 20060521073344 http www.spamhaus.org tld faq.lasso Spamhaus FAQ The .mail TLD GTLD expanded Proposed DEFAULTSORT Mail Category Proposed top level domains ca .mail da .mail eu .mail it .mail hu .mail no .mail pl .mail ro .mail sv Toppdom n Generiska toppdom ner ... more details
This article is about Postal services. For electronic mail, see Email . For other uses, see Mail disambiguation ... Box Museum, near Taunton , Somerset Mail , or post , is a system for transporting letters and other tangible objects written document s, typically enclosed in envelope s, and also small Other mail ... system is called mail or post . ref In Australia, Canada and the U.S., mail is commonly used both for the postal ... system and mail for the material delivered in the UK, post prevails in both senses. However ..., Royal Mail , United States Postal Service , Australia Post , and Canada Post in addition, such fixed phrases as post office or junk mail are found throughout the English speaking world. ref In principle ... given to Hammurabi 1700 BC and Sargon II of Assyria Sargon II 722 BC . Mail may not have been ... developed early Indian mail service as well as public wells, rest houses, and other facilities ... as mail chariots in ancient India. ref Prasad 2003 104 ref blockquote In ancient times the kings, emperors .... In South India , the Wodeyar dynasty 1399 1947 of the Kingdom of Mysore used mail service for espionage ... also be the first true mail service. The service was called cursus publicus and was provided ... were used not only for the transmission and delivery of official mail but were also available for traveling ... for the mail service. Foreign observers, such as Marco Polo , have attested to the efficiency of this early ... and could reach its original nest. Mail has been transported by quite a few other methods throughout ... orders had a private mail service. Notably, the Cistercians had one which connected more than 6,000 ... postal systems took place. Today, the study of mail systems is known as postal history . Modern transportation ... post office s. During the 20th century, air mail became the transport of choice for inter continental mail. Postmen started to utilize mail truck s. The handling of mail became increasingly automated. The Internet came to change the conditions for physical mail. E mail and in recent years social ... more details
lowercase The etc motd is a file on Unix like systems that contains a message of the day , used to send a common message to all users, in a more efficient manner than sending them all an e mail message. Usage The contents of the file tt Unix directory structure etc motd tt are displayed by the Unix login command after a successful login, and just before it executes the login Shell computing shell . ref The complete FreeBSD documentation from the source, By Greg Lehey, p.572 ref The MOTD has also become a common feature of the online component of Windows Personal Computer PC games, such as Half Life , Call of Duty , and Battlefield series Battlefield . A similar feature called MOTD is displayed when logging on to some IRC servers. Format It is a simple text file. Some interpreters have a limit of 255 or 1024 characters. Citation needed date July 2010 See also System console References Reflist External links Category Unixunix stub de Message of the Day fr Message of the Day it Motd pl MOTD ... more details
Image 1000000000seconds.jpg right thumb 220px 1000000000 seconds parties were held around the world on the day in question. The Unix billennium is the point in time represented by a Unix time value of 10 sup 9 sup 01 46 40 UTC on September 9, 2001. Some programs which stored timestamps using a text representation encountered sorting errors, as in a text sort times after the turnover, starting with a 1 digit, erroneously sorted before earlier times starting with a 9 digit. Affected programs included the popular usenet reader KNode and e mail client KMail , part of the KDE desktop environment. Such bugs were generally cosmetic in nature and quickly fixed once problems became apparent. The problem also affected many Filtrix document format filters provided with Linux versions of WordPerfect a patch http linuxmafia.com wpfaq problems.html FITRIX was created by the user community that link looks like a typo, but FITRIX is correct copy and pasted to solve this problem, since Corel no longer sold or supported that version of the program. The Unix Billennium is sometimes described as 10 sup 9 sup seconds after the Unix epoch . This is not quite correct, because Unix time is not a purely linear count of seconds 10 sup 9 sup non leap seconds after the Unix epoch would be a more accurate description. The name is a portmanteau of Billion word billion and millennium . External links http www.electromagnetic.net press releases unixonebln.php UNIX Approaches its One Billion Second Milestone http catless.ncl.ac.uk Risks 21.69.html subj7 Billion seconds bug report on Risks Digest DEFAULTSORT Unix Billennium Category Unix Category 2001 in computer science Category Time formatting and storage bugs fr Gigaseconde Unix ko 10 ja 2001 9 9 ... more details
wiktionarypar mailMail is part of a postal system wherein letters, parcels, and packages are delivered to destinations. Mail may also refer to E mail , electronic mailMailUnix , a command line e mail client in UnixMail application , an application aka Mail.app and an e mail client made by Apple Inc. Mail, Shetland , a hamlet on the Shetland Islands Mail armour , a type of protective body armor Mail manga Mail manga , a Japanese comic A post box Greg Mail , An Australian Cricketer Mail.ru , web An abbreviation for the Daily Mail newspaper, published in London An original name for Sunday Mail Adelaide , in Australia Mail.com , a web portal and web based email service provider MAIL may refer to Ministry of Agriculture, Irrigation & Livestock Afghanistan disambig de Mail fa fr Mail homonymie ko nl Mail ja ru Mail sk Mail th zh Mail ... more details
Image 1000000000seconds.jpg right thumb 220px Unix time passed 1,000,000,000 seconds in 2001 09 09T01 46 40Z. It was celebrated in Copenhagen, Denmark at a party held by Danish UNIX User Group DKUUG at 03 46 40 local time . Unix time , or POSIX time , is a system for describing instants in time , defined ... 1, 1970 Unix times are defined, but negative, before that date , not counting leap second s, which .... It is used widely in Unix like and many other operating systems and file format s. It is neither ... , although otherwise the times it represents are UTC. Unix time may be checked on some Unix systems ... auto Example time U ISO 8601 time Y m d H i s Z br small Above, the Unix time when this page was last generated small Definition Two layers of encoding make up Unix time. These can usefully be separated ... as a sequence of bits or in another form. Encoding time as a number Unix time is a single ... year, month, day of month, hour and minute required for intelligibility to humans. Modern Unix time ... at a rate of roughly one second per year. The Unix Epoch reference date epoch is the time 00 00 ..., the remainder of this section uses ISO 8601 date format, in which the Unix epoch is 1970 01 01T00 00 00Z. The Unix time number is zero at the Unix epoch, and increases by exactly 86 400 per ... by the Unix time number 12 677 86 400 1 095 292 800. This can be extended backwards ... the epoch, is represented by the Unix time number 4 472 86 400 386 380 800. Within each day, the Unix time number is as calculated in the preceding paragraph at midnight UTC 00 00 ... 543.54 s since midnight on the day in the example above, is represented by the Unix time number ... means that on a normal UTC day, of duration 86 400 s, the Unix time number changes in a continuous ... above, the time representations progress like this class wikitable style text align left Unix time across midnight on a normal UTC day TAI UTC Unix time 2004 09 17T00 00 30.75 2004 09 16T23 ... more details
lowercase fg is a job control Unix job control command in Unix and Unix like operating systems that resumes execution of a suspended Process computing process by bringing it to the foreground and thus redirecting its standard input and standard output output streams to the user s computer terminal terminal . ref name man http www.computerhope.com unix ufg.htm fg man page ref fg is required to be included in an operating system in order for it to be POSIX compliant. ref name POSIX commands http manuals.fujitsu siemens.com servers bs2 man man us posix v6 0 posix k.pdf POSIX BS2000 OSD Commands User Guide ref See also bg Unix bg , the complementary command that sends a process to the background SIGCONT References Reflist External links man cu fg SUS run jobs in the foreground Unix commands Category Standard Unix programs Category Unix SUS2008 utilities Unix stub ca Fg Unix el Fg Unix fr Fg Unix pl Fg Unix zh Fg Unix ... more details
lowercase Image Pg Unix screenshot.png thumbnail Example output of the tt pg tt command in xterm . pg is a terminal pager program on Unix and Unix like systems for viewing text file s. It can also be used to page through the output of a command via a pipe Unix pipe . pg uses an interface similar to vi , but commands are different. ref http www.computerhope.com unix upg.htm Linux Unix pg command ref more command more , and less Unix less are more commonly used paging programs. See also less Unix less more command more References reflist Unix commands unix stub Category Terminal pagers ... more details
lowercase In computer software , tt id tt is a program in Unix like operating system s that prints the User identifier Unix user or Group identifier Unix group identifier of the account by which the program is executed an example of the command tt id tt as executed by user tt alice tt source lang bash alice darkstar id uid 1016 alice gid 100 users groups 100 users source The superuser root account has a UID of 0 source lang bash root darkstar id uid 0 root gid 0 root groups 0 root source The tt whoami tt utility has been obsoleted by the tt id tt utility and displays a user s ID as a name source lang bash alice darkstar whoami alice alice darkstar id un Where u refers to user and n refers to name alice source See also List of Unix programs User identifier Unix UID Group identifier Unix GID tt Who Unix who tt tt uname tt References man cu id SUS return user identity Unix commands Category Unix user management and support related utilities Category Unix SUS2008 utilities cs Id Unix el Id Unix fr Id Unix hu Id Unix ja Id UNIX pl Id Unix pt Id Unix ru Id uk Id ... more details
lowercase Unreferenced date March 2007 The tt install tt command is a standard Unix program used to copy Computer file files and set file permissions . Category Standard Unix programs Unix stub ... more details
lowercase bg is a job control Unix job control command in Unix and Unix like operating systems that resumes execution of a suspended Process computing process without bringing it to the foreground ref name bg man page http pwet.fr man linux commandes posix bg bg man page ref the resumed process continues to execute in the background without receiving user input from the Computer terminal terminal . bg is required to be included in an operating system in order for it to be POSIX compliant. ref name POSIX commands http manuals.fujitsu siemens.com servers bs2 man man us posix v6 0 posix k.pdf POSIX BS2000 OSD Commands User Guide ref See also fg Unix fg , the complementary command that brings a process to the foreground References Reflist Unix commands Category Standard Unix programs Category Unix SUS2008 utilities unix stub ca Bg Unix el Bg Unix fr Bg Unix zh Bg Unix ... more details
Unreferenced auto yes date December 2009 Lowercase The command w on many Unix like operating system s provides a quick summary of every user logged into a computer, what that user is currently doing, and what Load computing load all the activity is imposing on the computer itself. The command is a one command combination of several other Unix programs tt Who Unix who tt , tt uptime tt , and tt Ps Unix ps a tt . Sample output this may vary between systems source lang text w 11 12am up 608 day s , 19 56, 6 users, load average 0.36, 0.36, 0.37 User tty login idle what smithj pts 5 8 52am w jonesm pts 23 20Apr06 28 bash harry pts 18 9 01am 9 pine peterb pts 19 21Apr06 emacs nw html index.html janetmcq pts 8 10 12am 3days csh singh pts 12 16Apr06 5 29 usr bin perl w perl test program.pl source External links man 1 w Unix commands Category Unix user management and support related utilities Unix stub cs W Unix el W Unix es W Unix ko W hu W Unix ja W UNIX pl W Unix pt W Unix ru W UNIX zh W Unix ... more details
for viruses stored by users. It is common for Unix servers to act as Mail transfer agent ...Howto date August 2011 Unix security refers to the means of Computer security securing a Unix or Unix ... practices. Wikibooks UNIX Computing Security Design concepts Permissions A core security feature in these systems is the File system permissions permissions system. All files in a typical Unix style ... 745720 Sep 8 2002 bin sh Unix permissions permit different users access to a file. Different user groups have different permissions on a file. More advanced Unix filesystems include the Access Control ... Users under Unix style operating systems often belong to managed groups with specific access permissions. This enables users to be grouped by the level of access they have to this system. Many Unix ... Unix term wheel Group identifier Unix user privileges group in order to access the tt su tt command. ref name levi cite book title UNIX Administration A Comprehensive Sourcebook for Effective Systems ... 1351 1 ref Issues Most Unix and Unix like systems have an account or group which enables a user ... techniques Unix has many tools that can improve security if used properly by users and administrators ... important things a user can do to improve Unix security. In Unix systems, the essential information ... when the account becomes unusable The date expressed as the number of days since Unix epoch January 1st, 1970 when the account is expired These fields may be used to improve Unix security by enforcing .... su Unix su , sudo , Secure Shell ssh only, no remote root logins Software Maintenance Patching ... Foreign Address state tcp6 0 0 localhost.smtp . LISTEN tcp6 0 0 .ssh . LISTEN Active UNIX domain ... to a service may be further restricted by using a Unix security Firewalls firewall . File Systems File system security main File system permissions File system security within UNIX and Unix like ... of the directory. This provides a mechanism whereby a subsystem, such as the system s mail subsystem ... more details
saved book title Unix subtitle cover image Poundexclam.svg cover color Black Unix Introduction UnixUnix wars Historically significant corporations AT&T Bell Labs Hewlett Packard IBM Novell SCO Group Sun Microsystems Unix standards and organizations The Open Group X Open POSIX Single UNIX Specification Unix operating systems Berkeley Software Distribution 1977 Berkeley Software Distribution Version 7 Unix 1979 Version 7 Unix SunOS 1982 SunOS UNIX System V 1983 UNIX System V HP UX 1984 HP UX IBM AIX 1986 AIX IRIX 1988 IRIX SCO OpenServer 1989 SCO OpenServer Solaris operating system 1992 Solaris Tru64 UNIX 1992 Tru64 UNIX UnixWare 1992 UnixWare OS X 2001 Mac OS X Unix like operating environments Unix like Cygwin DragonFly BSD FreeBSD GNU Interix Linux NetBSD NeXTSTEP OpenBSD OpenSolaris Plan 9 from Bell Labs Legal battles and controversies SCO Linux controversies SCO v. IBM SCO v. Novell SCO and SGI Red Hat v. SCO USL v. BSDi Category Wikipedia books on computing ... more details
A port of Version 6 Unix to the Interdata 7 32 was completed by Richard Miller and Ross Nealon at Wollongong University , Australia , during 1976 1977. This project was supervised by professor Juris Reinfelds . The resulting system was called Wollongong Interdata UNIX, Level 6 . This distribution also included utilities developed at Wollongong, and later releases had features of V7, notably its C programming language C compiler . Wollongong Unix was the first ever port to a platform other than the PDP series of computers, proving that portable operating systems were indeed feasible, and that C was the language in which to write them. In 1980, this version was licensed to The Wollongong Group in Palo Alto that published it as Edition 7. See also Version 7 Unix Ancient UNIX External links http minnie.tuhs.org UnixTree V6 V6 source code http minnie.tuhs.org UnixTree Interdata v6 Wollongong Interdata UNIX source code http www.graphviz.org Gallery directed unix.svg a family tree of Unix, which includes Wollongong UnixUnix like Category Unix variants Category Discontinued operating systems Unix stub ... more details
Unreferenced date December 2009 In Unix and Unix like operating systems, a filter is a program that gets most of its data from its standard input the main input stream and writes its main results to its standard output the main output stream . Unix filters are often used as elements of pipeline Unix pipeline s. The pipe operator on a command line signifies that the main output of the command to the left is passed as main input to the command on the right. The classic filter would be grep , which at it simplest prints to its output any lines containing a character string. Here s an example source lang bash cut d f 1 etc passwd grep foo source This finds all registered users that have foo as part of their username by using the Cut Unix cut command to take the first field username of each line of the Unix system password file and passing them all as input to grep, which searches its input for lines containing the character string foo and prints them on its output. Here is a Perl equivalent to the above, which prints the whole line from the passwd file source lang bash perl ne print if m foo etc passwd source Or, to print only the username, without the rest of the line source lang bash perl ane shift F print n if foo F etc passwd source Common Unix filter programs are Cat Unix cat , cut Unix cut , grep , head Unix head , Sort Unix sort , uniq and tail Unix tail . Programs like awk and sed can be used to build quite complex filters because they are fully programmable. List of Unix filter programs awk programming language awk cat Unix cat comm Unix comm cut Unix cut Expand Unix expand compress Fold Unix fold grep head Unix head Nl Unix nl perl Pr Unix pr sed UNIX shell sh Sort Unix sort Split Unix split Strings Unix strings tail Unix tail Tac Unix tac Tee Unix tee tr program tr uniq Wc Unix wc See also Filter software Unix commands Category Unix da Filter program it Filtro Unix ja pt Filtro Unix ... more details
Bell Unix Columbus UNIX or CB UNIX was, according to Marc Rochkind , ref cite book last Rochkind first Marc title Advanced UNIX Programming publisher Prentice Hall year 1985 pages 156 157 isbn 0 13 011800 1 ref a variant of the UNIX operating system internal to Bell Labs . It was developed at the Columbus, Ohio Columbus , Ohio branch and was little known outside the company. CB UNIX was developed to address deficiencies inherent in Research Unix , notably the lack of interprocess communication and file locking , considered essential for a database management system . Several Bell System operation support system products were based on CB UNIX such as Switching Control Center System . The primary innovations were power fail restart, line disciplines, terminal types, and IPC features similar to System V s messages and shared memory . ref cite newsgroup title UNIX history author Dale Dejager date 1984 01 16 newsgroup net.unix url http groups.google.com group net.unix msg b80689d4b3bff13f?dmode source ref Image CB Unix Manuals.jpg thumb left 200px Volume 1 and Volume 2 of the UNIX Programmers Manual CB Version References reflist Unix like Unix stub DEFAULTSORT Cb Unix Category Bell Labs Unices Category Discontinued operating systems ... more details
The Unix System ISBN 0 201 13791 7 is a book by Stephen R. Bourne it was the first widely available general introduction to the Unix operating system . It included some historical material on Unix, as well as material on using the system, editing, the software tools concept, C programming using the Unix API , data management with the shell and awk , and typesetting with troff . DEFAULTSORT Unix System Category Computer books compu book stub ... more details
Multiple issues unreferenced February 2007 orphan February 2009 Infobox OS name Unix NS screenshot caption developer NCR Corporation NCR family Unix source model Closed source kernel type Monolithic kernel license Proprietary software Proprietary Unix NS the NCR Corporation NCR 3700 Operating System is based on the Unix SVR4 . It contains significant extensions for massively parallel systems, in particular Distributed Memory DBMSs. The extensions include the concepts of virtual processor and virtual disk, message and global synchronization system, segment system, and globally distributed objects. When compared to other parallel UNIX operating systems like Mach or ChorusOS Chorus , Unix NS has a more powerful communication and message addressing paradigm, and richer process group management and global synchronization mechanism. Unix like DEFAULTSORT Unix Ns Category UNIX System V de Unix NS ... more details
lowercase title clear Unix Image Clear gnulinux.gif thumb Clear being used on GNU Linux under uxterm code clear do not subst template code tag breaks popups is a standard Unix computer operating system command which is used to clear the screen. Depending on the system, tt clear tt uses the terminfo or termcap database, as well as looking into the environment for the terminal type in order to deduce how to clear the screen. The Unix command tt clear tt takes no arguments and is roughly analogous to the MS DOS command tt Cls computing cls tt . See also List of Unix programs External links http invisible island.net ncurses man clear.1.html The manual tt man tt page for tt clear tt unix commands Unix stub Category Unix software el Clear Unix fa Clear fr Clear Unix hu Clear Unix zh Clear ... more details
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