Advanced command-line navigation
mc
Midnight Commander (mc
) [4] is a clone of Norton Commander, a DOS file manager that was popular in the early 1990s before the rise of Windows 3.1. Like Norton Commander, mc
provides a simple graphical interface that is navigated entirely by keys. The main difference is that mc
has been kept mostly up to date and includes such features as support for multiple encoding and the ability to access remote files via SSH. However, the occasional anachronism lingers, such as an undelete
command, which supports only ext2 filesystems, and support for FTP.
In many ways, mc
is similar to many desktop file managers. It features a two-pane interface and a sub-shell for executing commands. The two panes and the menus can be navigated either with keys or the mouse, but the directory tree and dialogs work only with the mouse. Common commands are accessed from the function keys listed at the bottom of the interface, while other commands, including ones to find and compare files specifically within mc
, are available from the Command menu. In addition, custom commands can be added to mc
as needed. mc
itself can be extensively customized from the Options menu, with support for different skins, as well as the notification types displayed, panel layouts, and keyboard shortcuts (Figure 5).
mc
is best suited to routine commands, as well as new or occasional users of the command line for whom a graphical interface is familiar and reassuring. Users more familiar with the command line may find mc
restrictive and chafe at the replacement of ls
with scrolling. For those familiar with the Vim text editor, an alternative might be Vifm [5].
Other Tools
In addition to these tools, readers might also be interested in commands like readline
, which is designed for navigating a single line at the prompt, and the various goto
commands in scripting languages.
In particular, any of the navigation tools might be paired with tree
[6], a replacement for ls
that displays directories and files in the traditional tree structure and provides a visual display that the command line generally lacks (Figure 6). tree
includes numerous options, such as display only directories or full files. However, with 3TB drives common today, tree
should generally be piped through the less
command to reduce scrolling.
cd
itself has survived for several decades and shows no immediate signs of becoming obsolete. However, in some circumstances, it is no longer as efficient as it once was. When you run up against cd
's limitations, it is reassuring to know that alternatives exist.
Infos
- autojump: https://github.com/wting/autojump
- EPEL Repository: https://www.tecmint.com/install-epel-repository-on-centos/
- cdargs: https://directory.fsf.org/wiki/Cdargs
- mc: https://midnight-commander.org/
- Vifm: https://vifm.info/
- tree: https://linux.die.net/man/1/tree
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