• select is a system call and application programming interface (API) in Unix-like and POSIX-compliant operating systems for examining the status of file...
    8 KB (650 words) - 15:17, 20 June 2022
  • equipment manufacturer Select (aperitif), an Italian aperitif Select (SQL), a keyword in SQL select (Unix), a system call (in sys/select.h or unistd.h) for...
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  • Thumbnail for List of POSIX commands
    applications List of Unix daemons List of web browsers for Unix and Unix-like operating systems Unix philosophy util-linux The Wikibook Guide to UNIX has a page...
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  • Thumbnail for Unix time
    Current Unix time 1724632835 (purge page cache to update) 2024-08-26T00:40:35+00:00 Unix time is a date and time representation widely used in computing...
    51 KB (5,415 words) - 19:52, 16 August 2024
  • Thumbnail for Multiplexing
    input/output events from a single event loop, with system calls like poll and select (Unix). Multiple variable bit rate digital bit streams may be transferred efficiently...
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  • (PC architecture) Integer (computer science) kqueue Pull technology select (Unix) Signal (IPC) "Multi-Drop Polling". RAD Data Communications/Pulse Supply...
    7 KB (1,080 words) - 21:08, 29 December 2023
  • Research Unix are early versions of the Unix operating system for DEC PDP-7, PDP-11, VAX and Interdata 7/32 and 8/32 computers, developed in the Bell...
    17 KB (850 words) - 10:26, 21 August 2024
  • When a text file with a shebang is used as if it were an executable in a Unix-like operating system, the program loader mechanism parses the rest of the...
    25 KB (3,229 words) - 06:56, 20 July 2024
  • Single UNIX Specification (SUS) is a standard for computer operating systems, compliance with which is required to qualify for using the "UNIX" trademark...
    39 KB (3,846 words) - 00:12, 14 August 2024
  • UUCP (Unix-to-Unix Copy) is a suite of computer programs and protocols allowing remote execution of commands and transfer of files, email and netnews between...
    31 KB (4,196 words) - 21:29, 18 August 2024
  • Thumbnail for Daemon (computing)
    facility, and sshd is a daemon that serves incoming SSH connections. In a Unix environment, the parent process of a daemon is often, but not always, the...
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  • Thumbnail for GNU
    GNU (redirect from GNU's Not Unix)
    for "GNU's Not Unix!", chosen because GNU's design is Unix-like, but differs from Unix by being free software and containing no Unix code. Stallman chose...
    34 KB (3,103 words) - 04:46, 17 August 2024
  • Thumbnail for Bash (Unix shell)
    files, known as shell scripts, facilitating automation. In keeping with Unix shell conventions, Bash incorporates a rich set of features. The keywords...
    72 KB (6,152 words) - 19:42, 26 August 2024
  • Thumbnail for Ls
    computer files and directories in Unix and Unix-like operating systems. It is specified by POSIX and the Single UNIX Specification. It is available in...
    13 KB (1,326 words) - 06:52, 5 January 2024
  • In computing, particularly in the context of the Unix operating system and its workalikes, fork is an operation whereby a process creates a copy of itself...
    16 KB (2,099 words) - 21:17, 20 August 2024
  • Thumbnail for Venix
    Venix (category UNIX System V)
    of the Unix operating system for low-end computers, developed by VenturCom, a "company that specialises in the skinniest implementations of Unix". A working...
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  • Unix-like operating systems identify a user by a value called a user identifier, often abbreviated to user ID or UID. The UID, along with the group identifier...
    11 KB (1,477 words) - 13:30, 30 July 2024
  • A/UX (redirect from Apple Unix)
    Apple's first official Unix-based operating system, launched in 1988 and discontinued in 1995 with version 3.1.1. A/UX requires select 68k-based Macintosh...
    20 KB (2,362 words) - 10:53, 9 May 2024
  • Thumbnail for Ps (Unix)
    In most Unix and Unix-like operating systems, the ps (process status) program displays the currently-running processes. The related Unix utility top provides...
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  • processing methods". nginx.org. poll – System Interfaces Reference, The Single UNIX Specification, Version 4 from The Open Group man-pages for poll(2) in FreeBSD...
    1 KB (109 words) - 21:39, 16 February 2023
  • On UNIX implementations derived from AT&T UNIX, cp, ln and mv are implemented as a single program with hard-linked binaries. The behavior is selected from...
    8 KB (947 words) - 21:39, 26 September 2023
  • File descriptor (category Unix file system technology)
    In Unix and Unix-like computer operating systems, a file descriptor (FD, less frequently fildes) is a process-unique identifier (handle) for a file or...
    13 KB (1,192 words) - 14:27, 6 January 2024
  • Thumbnail for Comm
    Comm (redirect from Comm (Unix))
    Guide to Unix has a page on the topic of: Commands comm: select or reject lines common to two files – Shell and Utilities Reference, The Single UNIX Specification...
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  • Thumbnail for CUPS
    CUPS (formerly an acronym for Common UNIX Printing System) is a modular printing system for Unix-like computer operating systems which allows a computer...
    35 KB (3,584 words) - 21:36, 29 May 2024
  • Thumbnail for Wc (Unix)
    wc (short for word count) is a command in Unix, Plan 9, Inferno, and Unix-like operating systems. The program reads either standard input or a list of...
    5 KB (521 words) - 13:46, 27 December 2023
  • terminals in a standby condition. Its most common use today is to cause a Unix terminal driver to signal end of file and thus exit programs that are awaiting...
    5 KB (663 words) - 22:14, 7 November 2023
  • run on OS/2, Windows and selected UNIX workstations; the z/OS version of ISPF only includes WSA for Windows and selected UNIX workstations. WSA communicates...
    13 KB (1,552 words) - 17:37, 15 October 2023
  • Thumbnail for ANSI escape code
    software designed to be portable on CP/M home computers, and even lots of Unix software as it was easier to use than the termcap libraries, such as the...
    94 KB (5,438 words) - 20:18, 17 July 2024
  • Interface) WWW Programming (UNIX and Windows) CHUI (CHaracter User Interface) (UNIX and Windows) JSON and XML appserver programming (UNIX and Windows) as well...
    8 KB (889 words) - 00:18, 26 June 2024
  • Null device (redirect from Unix null device)
    that the write operation succeeded. This device is called /dev/null on Unix and Unix-like systems, NUL: (see TOPS-20) or NUL on CP/M and DOS (internally...
    8 KB (725 words) - 20:11, 19 August 2024