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A shell script is a computer program designed to be run by a Unix shell, a command-line interpreter. [1] The various dialects of shell scripts are considered to be command languages. Typical operations performed by shell scripts include file manipulation, program execution, and printing text. A script which sets up the environment, runs the ...
Additionally, command line switches, or other parameter strings, can be supplied on the command line. Spaces and symbols such as a "/" or a "-" may be used to allow the command processor to parse the command line into filenames, file specifications, and other options.
Command Prompt, also known as cmd.exe or cmd, is the default command-line interpreter for the OS/2, [1] eComStation, ArcaOS, Microsoft Windows (Windows NT family and Windows CE family), and ReactOS [2] operating systems.
A batch file is a script file in DOS, OS/2 and Microsoft Windows. It consists of a series of commands to be executed by the command-line interpreter , stored in a plain text file. A batch file may contain any command the interpreter accepts interactively and use constructs that enable conditional branching and looping within the batch file ...
Bash can execute the vast majority of Bourne shell scripts without modification, with the exception of Bourne shell scripts stumbling into fringe syntax behavior interpreted differently in Bash or attempting to run a system command matching a newer Bash builtin, etc. Bash command syntax includes ideas drawn from the Korn Shell (ksh) and the C ...
DIGITAL Command Language (DCL) is the standard command language adopted by many of the operating systems created by Digital Equipment Corporation.DCL had its roots in IAS, TOPS-20, and RT-11 and was implemented as a standard across most of Digital's operating systems, notably RSX-11 and RSTS/E, but took its most powerful form in VAX/VMS (later OpenVMS).
CMD file (CP/M), executables in CP/M-86, Concurrent CP/M-86, Personal CP/M-86, Concurrent DOS, DOS Plus, FlexOS, S5-DOS, Multiuser DOS, System Manager, REAL/32, SCP1700, CP/K and K8918-OS; Batch files with .cmd filename extension in OS/2, Windows NT, 4OS2, 4NT and Take Command; REXX scripts in OS/2 using the native or an alternative REXX ...
tcsh added filename and command completion and command line editing concepts borrowed from the Tenex system, which is the source of the "t". [9] Because it only added functionality and did not change what already existed, tcsh remained backward compatible [10] with the original C shell. Though it started as a side branch from the original ...