ATTACH Allows you to switch control of your terminal to another process. CLI Executes a Command Language Interpreter (CLI) command from within your editing session. EXIT Ends an LSE editing session and returns control to the calling process or the command-line interface. GOTO COMMAND Displays the LSE> prompt. LSE Directs LSE to execute a portable language command. PLSE Directs LSE to execute a portable language command. QUIT Ends an LSE session without saving modified user buffers. REPEAT Repeats a command a specified number of times. SET BUFFER JOURNALING Enables or disables buffer-change journaling for the current buffer. SET FONT Sets the screen font size to big or little and the font spacing to normal or condensed. SPAWN Creates a subprocess running a command interpreter and suspends the editing session. TPU Directs LSE to execute text processing utility (TPU) program statments.