AT&T UNIX™PC Unix System V Users Manual - tenox

SYSTEM ( 3S ) SYSTEM( 3S )
NAME
system - issue a shell command
SYNOPSIS
#include
int system (string)
char •string;
DESCRIPTION
System causes the string to be given to sh(l) as input, as if the
string had been typed as a command at a terminal. The current
process waits until the shell has completed, then returns the exit
status of the shell.
FILES
/bin/sh
SEE ALSO
sh(l), exec(2).
DIAGNOSTICS
System forks to create a child process that in turn exec's /bin/ sh
in order to execute string . If the fork or exec fails, system returns
- 1 and sets errno.
- 1 -