4.3BSD - /usr/man/cat3/system.0

SYSTEM(3)                                                            SYSTEM(3)


NAME
       system - issue a shell command

SYNOPSIS
       system(string)
       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
       popen(3S), execve(2), wait(2)

DIAGNOSTICS
       Exit status 127 indicates the shell couldn’t be executed.


7th Edition                      May 15, 1985                        SYSTEM(3)