RunProcess

RunProcess["command"] runs the specified external command, returning information on the outcome.

RunProcess[{"command", arg1, arg2, ...}] runs the specified command, with command-line arguments.

RunProcess[command, "prop"] returns only the specified property.

Examples

Run a command and get output:

RunProcess[{"echo", "Hello"}]["StandardOutput"]
(* "Hello\n" *)

Get exit code:

RunProcess[{"ls", "-la"}]["ExitCode"]
(* 0 *)

Please visit the official Wolfram Language Reference for more details.