system("my_program arg1 arg2 arg3");

##</code><code>##

system("my_program", "arg1", "arg2", "arg3");

##</code><code>##

msg username "some text"

##</code><code>##

my $txt = 'sample text with some / special /w characters > xyz';
system('msg', 'username', $txt);

##</code><code>##

my $txt = '/w sample text with some / special /w characters > xyz';
system('msg', 'username', $txt);

##</code><code>##

msg username /w sample text with some / special /w characters > xyz