• at compile time. In 1973, printf was included as a C standard library routine as part of Version 4 Unix. In 1990, the printf shell command, modeled after...
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  • Thumbnail for Printf (Unix)
    printf is a shell command that formats and outputs text like the same-named C function. It is available in a variety of Unix and Unix-like systems. Some...
    3 KB (335 words) - 21:10, 18 May 2025
  • Thumbnail for Man page
    Man page (redirect from Man (Unix))
    (short for manual page) is a form of software documentation found on Unix and Unix-like operating systems. Topics covered include programs, system libraries...
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  • Thumbnail for Bash (Unix shell)
    interactive command interpreter and command programming language developed for Unix-like operating systems. Created in 1989 by Brian Fox for the GNU Project...
    94 KB (7,283 words) - 20:23, 18 July 2025
  • Thumbnail for Stat (system call)
    printf("\tctime: %s", ctime(&sb.st_ctim.tv_sec)); printf("\n"); } return 0; } McIlroy, M. D. (1987). A Research Unix reader: annotated excerpts from the Programmer's...
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  • 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) - 14:31, 16 February 2025
  • Thumbnail for C (programming language)
    original version was: main() { printf("hello, world\n"); } A more modern version is: #include <stdio.h> int main(void) { printf("hello, world\n"); } The first...
    98 KB (10,894 words) - 00:02, 21 July 2025
  • Echo (command) (category Standard Unix programs)
    echo is considered a non-portable command and the printf command (introduced in Ninth Edition Unix) is preferred instead. The command is available the...
    11 KB (843 words) - 22:02, 13 April 2025
  • Thumbnail for Shell script
    A shell script is a computer program designed to be run by a Unix shell, a command-line interpreter. The various dialects of shell scripts are considered...
    25 KB (3,135 words) - 06:34, 12 June 2025
  • common GNU Unix-like utilities. Textutils Join (SQL) Relational algebra List of Unix commands printf – Shell and Utilities Reference, The Single UNIX Specification...
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  • Research Unix refers to the early versions of the Unix operating system for DEC PDP-7, PDP-11, VAX and Interdata 7/32 and 8/32 computers, developed in...
    22 KB (1,356 words) - 04:00, 26 June 2025
  • Thumbnail for List of POSIX commands
    which is part of the Single UNIX Specification (SUS). These commands are implemented in many shells on modern Unix, Unix-like and other operating systems...
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  • Thumbnail for Cron
    Cron (redirect from Crontab (Unix command))
    The cron command-line utility is a job scheduler on Unix-like operating systems. Users who set up and maintain software environments use cron to schedule...
    26 KB (3,290 words) - 13:55, 12 July 2025
  • Commands Manual "fold.c – 1BSD". minnie.tuhs.org. printf – Shell and Utilities Reference, The Single UNIX Specification, Version 5 from The Open Group "fold(1)...
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  • net. cmp(1) – FreeBSD General Commands Manual printf – Shell and Utilities Reference, The Single UNIX Specification, Version 5 from The Open Group "cmp(1):...
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  • Diff (redirect from Diff (Unix))
    the early 1970s for the Unix operating system, at Bell Labs in Murray Hill, New Jersey. It was part of the 5th Edition of Unix released in 1974, and was...
    40 KB (4,476 words) - 08:17, 14 July 2025
  • Thumbnail for Fish (Unix shell)
    Fish (friendly interactive shell; stylized in lowercase) is a Unix-like shell with a focus on interactivity and usability. Fish is designed to be feature-rich...
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  • 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...
    17 KB (2,188 words) - 10:29, 12 July 2025
  • Thumbnail for ANSI escape code
    until the user presses a key. flasher () { while true; do printf \\e[?5h; sleep 0.1; printf \\e[?5l; read -s -n1 -t1 && break; done; } This can be used...
    97 KB (5,784 words) - 01:24, 21 July 2025
  • NUM_THREADS; printf("Thread %d: Started.\n", index); printf("Thread %d: Will be sleeping for %d seconds.\n", index, sleep_time); sleep(sleep_time); printf("Thread...
    9 KB (1,073 words) - 10:50, 19 July 2025
  • February 2005. printf format string scanf format string ISO/IEC 9899:1999 specification. p. 274, § 7.19. Kernighan, Brian; Pike, Rob (1984). The UNIX Programming...
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  • options of the Unix/POSIX style. It is a part of the POSIX specification, and is universal to Unix-like systems. It is also the name of a Unix program for...
    21 KB (2,408 words) - 22:05, 22 April 2024
  • sum is a legacy utility available on some Unix and Unix-like operating systems. This utility outputs a 16-bit checksum of each argument file, as well...
    5 KB (482 words) - 09:36, 7 January 2023
  • Input Field Separators (category Unix)
    bash shell or printing IFS with commands like printf %s "$IFS" | od -c, printf "%q\n" "$IFS" or printf %s "$IFS" | cat -A (the latter two commands being...
    3 KB (413 words) - 17:34, 23 August 2023
  • limited form of inter-process communication (IPC), typically used in Unix, Unix-like, and other POSIX-compliant operating systems. A signal is an asynchronous...
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  • application programming interface (API) for Internet domain sockets and Unix domain sockets, used for inter-process communication (IPC). It is commonly...
    29 KB (3,502 words) - 12:35, 17 July 2025
  • Thumbnail for Netstat
    Netstat (redirect from Netstat (Unix))
    interface) and network protocol statistics. It is available on Unix, Plan 9, Inferno, and Unix-like operating systems including macOS, Linux, Solaris and...
    18 KB (1,072 words) - 04:07, 18 February 2025
  • refer to: %s, in printf format string %s, in scanf format string %s, seconds in the strftime format string %s, used to check the Unix timestamp a marker...
    610 bytes (95 words) - 14:13, 15 May 2025
  • UnxUtils (redirect from Unix Utils)
    UnxUtils is a collection of utility programs that provide popular Unix-based shell commands – ported from GNU implementations as native Windows programs...
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  • compiled ; against the C Standard Library extern printf ; declares the use of external symbol, as printf ; printf is declared in a different object-module. ;...
    57 KB (6,641 words) - 22:17, 16 July 2025