# st > A simple terminal emulator for the X Window System. > More information: . - Open a terminal: `st` - Open a terminal with a specific title: `st -T {{title}}` - Open a terminal, execute a given command, and write the output to a file: `st -o {{path/to/file}} -e {{command argument1 argument2}}` - Increase/decrease the font size: ` + + {{Page Up|Page Down}}` - Copy/paste from the clipboard: ` + + {{C|V}}`