^S Stop output to the current window. ^Q Start output to the current window. : Enter a line to be executed as long commands. Refer to the window manpage for details. write write user [tty] message Initiates or responds to an interactive conversation with user. A write session is terminated with EOF. If the user is logged in to more than one terminal, specify a tty number. See also talk ; use mesg to keep other users from writing to your terminal. xargs xargs [options] [command]