Executes NirCmd command in a remote computer.
if {copy} parameter is specified, NirCmd will copy
itself to the Windows directory of the remote machine. You must specify this parameter if
NirCmd doesn't exist in the Windows directory of the remote machine.
Examples:
remote copy \\comp1 exitwin poweroff
remote \\comp2 infobox "This is a message from NirCmd" "Hello !"
remote \\comp3 lockws
