SYSTEM(3) Library Functions Manual SYSTEM(3)NAMEsystem - issue a shell commandSYNOPSISsystem(string) char *string;DESCRIPTIONSystem 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 ALSOpopen(3), exec(2), wait(2)DIAGNOSTICSExit status 127 indicates the shell couldn't be executed. SYSTEM(3)