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...

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...

developed for Unix-like operating systems. It is designed as a 100% free alternative for the Bourne shell sh and other proprietary Unix shells. Bash has...

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...

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...

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...

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)...

storage was not reused. Originally, developed for Unix, today it is also available on Unix-like and non Unix-like systems, KolibriOS, IBM i, EFI shell. and...

Unix Specification, Environment Variables Open Group Unix Specification, execve() function Dash exec.c as an example of an implementation of a PATH-string...

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...

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...

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...

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...

systems table) is a system file commonly found in the directory /etc on Unix and Unix-like computer systems. The /etc/fstab file is used by utilities from...

image after exec, before searching in any other directories. $LIBPATH or $SHLIB_PATH Alternatives to $LD_LIBRARY_PATH typically used on older Unix versions...

MACLIB(GETMAIN). Unix system services (USS) A complete Unix environment running as part of the MVS base control program. It allows Unix files, scripts,...

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...

flags collectively. The command originated in AT&T Unix version 1 and was exclusive to Unix and Unix-like operating systems until it was ported to other...

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...

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...

system with directories (separated by ">") in the mid-1960s. Around 1970, Unix introduced the slash character ("/") as its directory separator. Originally...

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...

as Services in Windows or Daemons in Linux and UNIX are implemented as either activities within the Exec or as batch programs that are always running in...

command is sometimes referred to as an EXEC since that is the name of the file type used for similar CMS EXEC, and EXEC 2 scripts and for Rexx scripts on VM/SP...

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...

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;...

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...

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...

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...

files No SITE EXEC command, which in modern Internet environments represent a security issue Hidden directories and files, based on Unix-style permissions...