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The history command works with the command history list. When the command is issued with no options, it prints the history list. Users can supply options and arguments to the command to manipulate the display of the history list and its entries. The operation of the history command can also be influenced by a shell's environment variables. For ...
The command is available for various operating systems including DOS, Microware OS-9, [1] IBM OS/2, [2] Microsoft Windows [3] and ReactOS. [4] It is analogous to the Unix rm command and to the Stratus OpenVOS delete_file and delete_dircommands. [5] DEC RT-11, [6] OS/8, [7] RSX-11, [8] and OpenVMS [9] also provide the delete command which can be ...
rm (short for remove) is a basic command on Unix and Unix-like operating systems used to remove objects such as computer files, directories and symbolic links from file systems and also special files such as device nodes, pipes and sockets, similar to the del command in MS-DOS, OS/2, and Microsoft Windows.
Ctrl+l : Clears the screen content (equivalent to the command clear). Ctrl+n : recalls the next command (equivalent to the key ↓). Ctrl+o : Executes the found command from history, and fetch the next line relative to the current line from the history for editing. Ctrl+p : recalls the prior command (equivalent to the key ↑).
Command history The built-in history command displays the previously entered commands; Use of ↑ / ↓ at the command line to allow the user to select a command from the history to edit/execute; Invoking previous commands using command history!! executes the previous command!n executes the nth command that was previously executed
fc is a standard program on Unix and Unix-like operating systems that lists, edits and reexecutes commands previously entered to an interactive shell. fc is a builtin command in the Bash and Zsh shells and is an initialism for "fix command".
Command history is a feature in many operating system shells, computer algebra programs, and other software that allows the user to recall, edit and rerun previous commands. Command line history was added to Unix in Bill Joy 's C shell of 1978; Joy took inspiration from an earlier implementation in Interlisp . [ 1 ]
srm (or Secure Remove) is a command line utility for Unix-like computer systems for secure file deletion. srm removes each specified file by overwriting, renaming, and truncating it before unlinking. This prevents other people from undeleting or recovering any information about the file from the command line.