SYSTEM(3) Library Functions Manual SYSTEM(3)
NAME
system - issue a shell command
SYNOPSIS
#include <stdlib.h>
int system(const char *string)
DESCRIPTION
System 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.
SEE ALSO
sh(1), popen(3), execve(2), wait(2).
DIAGNOSTICS
Exit status 127 indicates the shell couldn't be executed.
7th Edition May 15, 1985 SYSTEM(3)