NAME

system − issue a shell command

SYNTAX

system(string)
char *string;

DESCRIPTION

The system routine causes the string to be given to sh() 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 in the form that wait() returns.

DIAGNOSTICS

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

SEE ALSO

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

Subroutines