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

execve(2), popen(3S), wait(2)

DIAGNOSTICS

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

September 02, 1992