NAME

system − issue a shell command

SYNTAX

#include <stdio.h>

int system(string)
char *string;

DESCRIPTION

The system subroutine causes the string to be given to sh(1) 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

DIAGNOSTICS

Exit status 127 indicates the shell could not be executed. 

SEE ALSO

sh(1), exec(2), wait(2), popen(3s)