line or with one of the spawn functions (see below). Many Unix shells also offer a builtin exec command that replaces the shell process with the specified...
9 KB (1,160 words) - 04:05, 18 July 2024
text files on current Unix-like systems. However, UTF-8 files may begin with the optional byte order mark (BOM); if the "exec" function specifically...
25 KB (3,229 words) - 10:49, 8 October 2024
Fork–exec is a commonly used technique in Unix whereby an executing process spawns a new program. fork() is the name of the system call that the parent...
5 KB (622 words) - 04:07, 18 July 2024
In Unix-like operating systems, find is a command-line utility that locates files based on some user-specified criteria and either prints the pathname...
24 KB (2,917 words) - 18:11, 22 September 2024
Fork (system call) (redirect from Fork (Unix))
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
PATH (variable) (section Unix and Unix-like)
Unix Specification, Environment Variables Open Group Unix Specification, execve() function Dash exec.c as an example of an implementation of a PATH-string...
5 KB (662 words) - 17:00, 15 September 2024
The script command is a Unix utility that records a terminal session. It dates back to the 1979 3.0 Berkeley Software Distribution (BSD). A script session...
3 KB (409 words) - 16:09, 27 January 2024
Shell script (redirect from Unix shell scripting)
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...
23 KB (2,983 words) - 19:08, 4 October 2024
rm (short for remove) is a basic command on Unix and Unix-like operating systems used to remove objects such as computer files, directories and symbolic...
17 KB (1,896 words) - 08:06, 25 July 2023
Xargs (redirect from Xargs (Unix))
xargs (short for "extended arguments") is a command on Unix and most Unix-like operating systems used to build and execute commands from standard input...
14 KB (1,703 words) - 18:08, 5 September 2024
Novell (redirect from Novell Unix Systems Group)
attempted to compete directly with Microsoft by acquiring Digital Research, Unix System Laboratories, WordPerfect, and the Quattro Pro division of Borland...
162 KB (15,814 words) - 14:28, 13 October 2024
Path (computing) (redirect from Unix path)
system with directories (separated by ">") in the mid-1960s. Around 1970, Unix introduced the slash character ("/") as its directory separator. In 1981...
26 KB (2,240 words) - 02:01, 19 October 2024
In computing, time is a command in Unix and Unix-like operating systems. It is used to determine the duration of execution of a particular command. time(1)...
6 KB (759 words) - 17:12, 29 July 2024
Environment variable (redirect from %MDOS EXEC%)
image after exec, before searching in any other directories. $LIBPATH or $SHLIB_PATH Alternatives to $LD_LIBRARY_PATH typically used on older Unix versions...
102 KB (10,343 words) - 18:09, 20 October 2024
List of operating systems (section Unix or Unix-like)
v4 UNIX Time-Sharing System v5 UNIX Time-Sharing System v6 MINI-UNIX PWB/UNIX USG CB Unix UNIX Time-Sharing System v7 (It is from Version 7 Unix (and...
72 KB (8,244 words) - 05:44, 10 October 2024
DEC's DIGITAL Command Language (DCL) in OpenVMS and RSX-11, the various Unix shells (sh, ksh, csh, tcsh, zsh, Bash, etc.), CP/M's CCP, DOS' COMMAND.COM...
74 KB (8,406 words) - 23:56, 17 October 2024
accepted among different vendors of Unix systems. In 1999, it was chosen as the standard binary file format for Unix and Unix-like systems on x86 processors...
41 KB (2,289 words) - 21:37, 15 October 2024
kexec (kernel execute), analogous to the Unix/Linux kernel call exec, is a mechanism of the Linux kernel that allows booting of a new kernel from the...
4 KB (415 words) - 00:26, 7 February 2024
branch the Unix exec() service over the executable image eight byte header and start the program. Since the Sixth and Seventh Editions of Unix employed...
50 KB (4,647 words) - 14:18, 1 October 2024
Remote Shell (category Unix network-related software)
command has the same name as another common UNIX utility, the restricted shell, which first appeared in PWB/UNIX; in System V Release 4, the restricted shell...
6 KB (592 words) - 16:26, 1 July 2024
text-processing, generally available in Unix-like operating systems Bash, interpreted language for scripting Unix and Unix-like operating systems Groovy, Java-like...
25 KB (2,912 words) - 01:20, 3 October 2024
Grep (redirect from Grep (Unix))
effect. grep was originally developed for the Unix operating system, but later became available for all Unix-like systems and some others such as OS-9. Before...
16 KB (1,456 words) - 02:53, 29 September 2024
different. USS: Unix system services, a complete Unix environment running as part of the MVS base control program, and allowing Unix files, scripts, tasks...
51 KB (6,349 words) - 20:18, 25 August 2024
Chain loading (section Chain loading in Unix)
manager itself was bootstrapped, and executed. In Unix (and in Unix-like operating systems), the exec() system call is used to perform chain loading. The...
5 KB (584 words) - 07:51, 2 April 2022
GNU Hurd (category Unix variants)
Project of the Free Software Foundation, designed as a replacement for the Unix kernel, and released as free software under the GNU General Public License...
25 KB (2,497 words) - 09:41, 20 October 2024
Fstab (category Unix file system technology)
systems table) is a system file commonly found in the directory /etc on Unix and Unix-like computer systems. In Linux, it is part of the util-linux package...
11 KB (1,483 words) - 21:51, 17 July 2024
brk and sbrk are basic memory management system calls used in Unix and Unix-like operating systems to control the amount of memory allocated to the heap...
5 KB (554 words) - 07:51, 15 May 2024
Eval (category Unix SUS2008 utilities)
special type such as code (as in Python). The analog for a statement is exec, which executes a string (or code in other format) as if it were a statement;...
24 KB (2,952 words) - 04:45, 28 June 2024
values found within the POSIX specification. Traditionally, the first page of Unix system manuals, named intro(2), lists all errno.h macros, but this is not...
11 KB (1,399 words) - 14:14, 21 October 2023
XEDIT (section PC and Unix adaptations)
Simulation) being a major one. XEDIT also supported EXEC 2, the predecessor of Rexx. When PCs and Unix computers began to supplant IBM 3270 terminals, some...
15 KB (1,705 words) - 03:39, 19 August 2024