NAME
system - issue a shell command
SYNOPSIS
int system(string)
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
popen(3), execve(2), wait(2)
DIAGNOSTICS
Exit status 127 indicates the shell couldn’t be
executed.