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In computing, a symbolic link (also symlink or soft link) is a file whose purpose is to point to a file or directory (called the "target") by specifying a path thereto. [ 1 ] Symbolic links are supported by POSIX and by most Unix-like operating systems , such as FreeBSD , Linux , and macOS .
Convert tabs to spaces 3BSD expr: Shell programming Mandatory Evaluate arguments as an expression Version 7 AT&T UNIX false: Shell programming Mandatory Return false value Version 7 AT&T UNIX fc: Misc Optional (UP) Process the command history list fg: Process management Optional (UP) Run jobs in the foreground file: Filesystem Mandatory ...
Alt+Tab ↹ / ⇧ Shift+Alt+Tab ↹. ⌘ Cmd+Tab ↹ / ⌘ Cmd+⇧ Shift+Tab ↹ (While in app switching window, ⌘ Cmd+` can be used to select backward, ⌘ Cmd+1 can be used to view selected app's windows) Alt+Tab ↹ / Alt+⇧ Shift+Tab ↹ or Alt+Tab ↹ / Alt+⇧ Shift+Tab ↹ to switch windows within the same application (Gnome)
Command-line completion generally only works in interactive mode. That is, it cannot be invoked to complete partially typed commands in scripts or batch files, even if the completion is unambiguous. The name tab completion comes from the fact that command-line completion is often invoked by pressing the tab key.
Unix/Linux systems may offer other tools support using progress indicators from scripts or as standalone-commands, such as the program "pv". [52] These are not integrated features of the shells, however. PowerShell has a built-in command and API functions (to be used when authoring commands) for writing/updating a progress bar.
Keyboard shortcuts make it easier and quicker to perform some simple tasks in your AOL Mail. Access all shortcuts by pressing shift+? on your keyboard. All shortcuts are formatted for Windows computers, but most will work on a Mac by substituting Cmd for Ctrl or Option for Alt. General keyboard shortcuts
An access key allows a computer user to immediately jump to a specific part of a web page via the keyboard. On Wikipedia, access keys allow you to do a lot more—protect a page, show page history, publish your changes, show preview text, and so on.
The ln command is a standard Unix command utility used to create a hard link or a symbolic link (symlink) to an existing file or directory. [1] The use of a hard link allows multiple filenames to be associated with the same file since a hard link points to the inode of a given file, the data of which is stored on disk.