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A shell that can determine ahead of invocation that there are missing mandatory values, can assist the interactive user by prompting for those values instead of letting the command fail. Having the shell prompt for missing values will allow the author of a script, command or function to mark a parameter as mandatory instead of creating script ...
Windows Unix-like (bash, zsh) Unix-like (POSIX-compliant shell) Scroll through history of typed commands ↑/ ↓: ↑/ ↓: ↑/ ↓ or Ctrl+P/ Ctrl+N: ESC K / ESC J: Signal end-of-file: Ctrl+Z: Ctrl+D: Abort current command/typing Ctrl+C: Ctrl+C: Ctrl+C: Ctrl+C: Erase word to the left Ctrl+← Backspace: Ctrl+← Backspace: Ctrl+W or Esc+← ...
The magic SysRq key is a key combination understood by the Linux kernel, which allows the user to perform various low-level commands regardless of the system's state. It is often used to recover from freezes , or to reboot a computer without corrupting the filesystem . [ 1 ]
2. On the keyboard, hold down the Command and Option keys, and then tap the esc key. In the Force Quit Applications window, click any program other than Finder to highlight it, and then click Force Quit. 3. Repeat until all programs other than Finder are closed, and then close the Force Quit Applications window by clicking the red dot on the ...
Command-line completion allows the user to type the first few characters of a command, program, or filename, and press a completion key (normally Tab ↹) to fill in the rest of the item. The user then presses Return or ↵ Enter to run the command or open the file.
When a user presses the tab key within an interactive command-shell, Bash automatically uses command line completion, since beta version 2.04, [45] to match partly typed program names, filenames and variable names. The Bash command-line completion system is very flexible and customizable, and is often packaged with functions that complete ...
As a terminal emulator, the application provides text-based access to the operating system, in contrast to the mostly graphical nature of the user experience of macOS, by providing a command-line interface to the operating system when used in conjunction with a Unix shell, such as zsh (the default interactive shell since macOS Catalina [3]). [4]
xterm is the standard terminal emulator for the X Window System. It allows users to run programs which require a command-line interface. If no particular program is specified, xterm runs the user's shell. An X display can show one or more user's xterm windows output at the same time.