system
system — treats its argument as a system command.
Syntax
system (command_line)
Returns
A numerical return code as generated by the operating system.
Description
This function treats its argument as a command to be run
in the native operating system. This function will wait
until the command completes before returning with the
command's exit status. In UNIX and QNX 4, the command may
be run in the background by using an
& symbol after the
command_line argument.
Example
Gamma> system("ps");
PID TTY TIME CMD
7856 pts/4 00:00:00 bash
8335 pts/4 00:00:00 Gamma
8336 pts/4 00:00:00 ps
0
Gamma> system("ls *ty*");
li_type.c li_type.o privity.c pty.lsp
0
Gamma> system("mysubtask &");
0
