exec([env,] command... [,options])
Class Public methods
Replaces the current process by running the given external
command. command⦠is one of following forms.
commandline : command line string which is passed to the standard shell
cmdname, arg1, ... : command name and one or more arguments (no shell)
[cmdname, argv0], arg1, ... : command name, argv[0] and zero or more arguments (no shell)
If single string is given as the command, it is taken as a command