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In a popular Unix shell Bash, time is a special keyword, that can be put before a pipeline (or single command), that measures time of entire pipeline, not just a singular (first) command, and uses a different default format, and puts empty line before reporting times: 10000000 real0m0.078s user0m0.116s sys0m0.029s $.
This is a list of POSIX (Portable Operating System Interface) commands as specified by IEEE Std 1003.1-2024, which is part of the Single UNIX Specification (SUS). These commands can be found on Unix operating systems and most Unix-like operating systems. This is not a comprehensive list of all utilities that existed in the various historic Unix ...
In computing, TIME is a command in DEC RT-11, [1] DOS, IBM OS/2, [2] Microsoft Windows [3] and a number of other operating systems that is used to display and set the current system time. [4] It is included in command-line interpreters (shells) such as COMMAND.COM, cmd.exe, 4DOS, 4OS2 and 4NT.
Delays for a specified amount of time stat: Returns data about an inode: stdbuf: Controls buffering for commands that use stdio stty: Changes and prints terminal line settings tee: Sends output to multiple files test: Evaluates an expression timeout: Run a command with a time limit true: Does nothing, but exits successfully tty: Prints terminal ...
Website. www.gnu.org /software /bash /. Bash, short for Bourne-Again SHell, is a shell program and command language supported by the Free Software Foundation [2] and first developed for the GNU Project [3] by Brian Fox. [4] Designed as a 100% [5] free software alternative for the Bourne shell, [6][7][8] it was initially released in 1989. [9]
Command-line interface. A command-line interface (CLI) is a means of interacting with a computer program by inputting lines of text called command-lines. Command-line interfaces emerged in the mid-1960s, on computer terminals, as an interactive and more user-friendly alternative to the non-interactive interface available with punched cards ...
Remark (comment) command, normally used within a batch file, and for DR-DOS, PC/MS-DOS 6 and above, in CONFIG.SYS. This command is processed by the command processor. Thus, its output can be redirected to create a zero-byte file. REM is useful in logged sessions or screen-captures.
A block-oriented terminal or block mode terminal is a type of computer terminal that communicates with its host in blocks of data, as opposed to a character-oriented terminal that communicates with its host one character at a time. A block-oriented terminal may be card-oriented, display-oriented, keyboard-display, keyboard-printer, printer or ...