Hi All I m PHP, Perl programmer , but finally I need C to program in LInux. In perl I simply use `` operator to get command output. $who_output = `who` ; but in C , how can i get the output. Using system function i m easily run the command. But how to get its output . system("who"); Plz help -- To unsubscribe from this list: send the line "unsubscribe linux-c-programming" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html