![]() Apple calls this a 'secondary click' as left-handers can choose which side this button is on. On Classic Mac OS and macOS, the Control key is used to invoke a 'right-click'. On Unix and Windows, the user had other mouse buttons to use. Another button was needed to access these. As the interface developed, Contextual Menus were offered to access extra options. ![]() ![]() The original Apple mouse design reduced complexity by only offering one button. Macintoshes also have a Control key, but it has different functionality. Reboot Open task manager or session options Undefined or rarely used on Windows restart X11 on Unix-like desktops Prefix numerical argument to next command Refresh page Right align (word processing)Ĭut text between beginning of line and cursor ![]() Increase margin by 1/2 inch (word processing) Redraw window/terminal, and recenter view around current line Unix (command line and programs using readline)Įmacs (if different from Unix command line)įont window (word processing) Add to bookmarks (Browsers)įorward delete, or if line is empty, end of input (traditional Unix)įind (usually a small piece of text in a larger document)Ĭut ('Kill') text between cursor and end of lineĬreate list Left align (word processing) Different application programs, user interfaces, and operating systems use the various control key combinations for different purposes.
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