When comparing Emacs vs GNOME Files (Nautilus), the Slant community recommends GNOME Files (Nautilus) for most people. In the question“What are the best file managers for UNIX-like systems?” GNOME Files (Nautilus) is ranked 17th while Emacs is ranked 18th. The most important reason people chose GNOME Files (Nautilus) is:
It does what it is supposed to do, and leaves a lot of screen space to look for a file.
Specs
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Pros
Pro Keyboard-focused, mouse-free editing
Emacs can be controlled entirely with the keyboard. While true, I often find the mouse and menus handy for those lesser-used commands. An aide-memoir.
Pro Total customizability
Customizations can be made to a wide range of Emacs' functions through a Lisp dialect (Emacs Lisp). A robust list of existing Lisp extensions include the practical (git integration, syntax highlighting, etc) to the utilitarian (calculators, calendars) to the sublime (chess, Eliza).
Pro It's also an IDE
You can debug, compile, manage files, integrate with version control systems, etc. All through the various plugins that can be installed.
Pro Works in terminal or as a GUI application
You can use Emacs' command line interface or graphical user interface.
Pro Self documenting
Emacs has extensive help support built-in as well as a tutorial accessed with C-h t.
Pro Free
Licensed under GNU GPL.
Pro Great documentation
With 30+ years of use the Emacs documentation is very thorough. There are also a lot of tutorials and guides written by third parties.
Pro Vi keybindings through Evil mode
Evil mode emulates vim behaviors within Emacs. It enables Vi users to move inside the Emacs universe.
Pro Provides org-mode
Advanced planning and publication which can start as a simple list.
Pro Enormous range of functionalities (way beyond simple "text editing")
Through its programmability, a very broad range of functionalities can be integrated in emacs, turning it even into a "single point of contact" with the underlying operating system.
Pro Cross-platform
Works on Linux, Windows, Macintosh, BSD, and others.
Pro Integrates planning in your development process
You can jump straight from your org-mode files to programming tasks - and back - and build a seamless workflow.
Pro Versatile
Emacs is great for everything.
Pro Mini buffer
You can pass complicated arguments in the mini buffer.
Pro Ubiquity
Fully compliant GNU-emacs is available on many platforms, and they all understand .emacs configuration files.
Pro Rectangular cut and paste
Emacs can select rectangularly.
Pro Lisp customizations
With lisp customization, any behavior of Emacs can be changed. Update with pre-release patch can be also applied without recompiling the whole Emacs.
Pro Visual selection and text objects with Evil
Evil is an extensible vi layer for Emacs. It provides Vim features like Visual selection and text objects.
Pro dabbrev-expand (Alt-/)
Dynamic word completion.
Pro Support multi-line editing, multiple frame, powerful paren, crazy jumping style
Review the "Emacs Rocks" video.
Pro Has been widely used for a long time
The first verion of Emacs was written in 1974 and GNU Emacs in 1984.
Pro Helm plugin adds even more power to Emacs
Powerful commands, search, and more with the Helm plugin.
Pro GTK+ widgets support
Since version 25 you can run GTK widgets inside Emacs buffers. One of these is the WebKitGTK+, which allows the user to run a full-featured web browser inside Emacs with JavaScript and CSS support among other things.
Pro Excelent tutorial to get you started
The tutorial you are presented with at startup shows you exactly what you need to get started and teaches you how to use the built-in help yourself later.
Pro Interactive Shells
Emacs has a number of shell variants: ansi-term, shell, and eshell.
Pro Emacs provides magit, the best and most complete GIT interface
Complex git history editing become a breeze with very few keystrokes. And simple ones are quickly stashed in muscle memory. Git becomes an direct extension of your brain thanks to Magit. Cherrypicking, blaming, resetting, interactive rebasing, line level commit, spinoff branches... you name it, magit already has it and has typically all those 5 to 10 git CLI commands of higher-level patterns also tide to one simple shortcut (want to amend a commit three commits away ? forgot to branch out and you've got already N commits on master
? ... etc... ).
Pro Gnus
Managing several large mailing lists has never been easier using Gnus. The threading commands and the various ways of scoring articles means that I never miss important messages/authors, etc. A joy to use.
Pro Eshell is cross platform
You can use the underlying operating system shell as a terminal emulation in an Emacs buffer. Don't like the default shell for your configuration? You can change it to your liking.
Pro Excellent Lisp editing support
Built-in packages make editing Lisp source code feel natural.
Pro Use-package and org-mode
Missing some neural package that predicts actions, maybe in the next release ...
Pro Minimalistic looking
It does what it is supposed to do, and leaves a lot of screen space to look for a file.
Pro Widely supported
The program is distributed as a single source archive, which can be configured, compiled and installed on almost any Linux flavor. There are no binary files for a specific Linux distribution, but you can install it directly from the default software channels of your operating system.
Pro Easy to use and familiar user interface for Ubuntu users
The user interface of Files is very familiar to Ubuntu users, most probably because Canonical still uses Nautilus (an old version of it) as the default file manager for its world’s most popular free operating system, Ubuntu Linux.
It split into two parts, a sidebar and the main file viewer. While you already know what the latter can do for you, the sidebar offers quick access to Places, Devices and Network locations, as well as any other bookmarks that you can add whenever you want.
Pro Allows you to access remote or local locations
On recent versions of GNOME, you can click the Files entry in the panel to access a specific location (remote or local), connect to a certain server (FTP, SFTP, SAMBA, etc.), access your bookmarks, open a new window, as well as to change its default functionality.
Pro Quick file preview
GNOME-sushi allows you to quickly view files without opening them. It supports most audio and video formats, but support for more can be added.
Pro Wayland-native
Can run under Wayland without XWayland.
Pro Supports natural sorting (not on all distros)
Dolphin, Deepin File Manager and Pantheon Files support this, too.
Pro Nautilus action configuration tool can configure systems in ways no other FM can
It can configure popup menu depending on file type.
Cons
Con Learning curve is long
While it's better than it used to be, with most functions being possible through the menu, Emacs is still quite a bit different from your standard editor. You'll need to learn new keyboard shortcuts.
Con Sometimes the extensibility can distract you from your actual work
If I ever want to lose half a day, I'll start by tweaking my .spacemacs config file.
Con Keyboard combinations can be confusing for new users
For example, for navigation it uses the b, n, p, l keys. Which for some people may seem strange in the begging. However they can be changed easily.
Con Documentation is not beginner-friendly
Although lots of good built-in documentation _exists_, I have after four years of Emacs as my primary editor not figured out how to actually make use of it, and rely completely on Google / StackOverflow for help.
Con User interface is terrible
I was using Emacs in the early 1980's, before there were GUIs. In fairness to Emacs, its original design was conceived in that context and is rather good at some things, like flexible ability to bind commands to keyboard shortcuts. Unfortunately, it didn't keep up with the times and fails to take advantage of the entire world of GUI design that's revolutionized computer science since then. So Emacs does 5% or what an editor should do quite will, and is surprisingly under-powered and old fashioned at the other 95%. To this day, it lacks or struggles with very basic things, like interactive dialogs, toolbars, tabbed interface, file system navigation, etc., etc. The things I just mentioned, are all present in some limited and inept form, but falls far short of current standard of good user interface design. For this reason, I would not recommend Emacs to anyone who is under 50 year old, or who needs power user capabilities. For casual, unsophisticated applications by someone who grew up with green screen character based computers, it's probably OK.
Con Emacs lisp is very poorly designed
The language that's used for user customization, extensions, and for much of the basic editor functionality, is Emacs lisp, or elisp for short. I actually like lisp in general, especially Scheme, but unfortunately, elisp is one of the worst versions of lisp ever created, barely meriting being called lisp. It's very slow, impoverished in features, inconsistent, and rather inelegant in design. Elisp needed to be overhauled 20 or 30 years ago, but the Emacs developers were not willing to do the work. I believe this is one of the major reasons Emacs is so buggy, lacking in features, development is so slow, and consequently almost nobody uses it (or should use it) anymore.
Con Very poorly maintained
It's not clear to what extent Emacs is still supported. There's still some development taking place, but so slow that it's almost an abandoned project. There are numerous bugs in Emacs, many these days associated with start up and package management. When you search the Internet for solutions, you often find many posts, sometimes going back months or even years, with no clear fix.
Con Hard customization
For customization, you need to learn Lisp.
Con A lot of jokes in this serious software
Con Using Emacs on a new machine without your .emacs file
Con It has lost so much functionality
As already stated, this is not well configurable anymore. One can not even start in dual pane mode for cut/copy and paste. Just a ridiculous transgression. It was great just 1-2 years ago, but over-simplification in this case is detrimental to functionality.
Con Mostly unconfigurable
There are not many ways to configure Nautilus to fit your needs. Besides what can be seen in the settings button you can't configure it further.
Con Outdated
It is not updated frequently and Ubuntu could stop using Nautilus and switch to Nemo.
Con Awful date modified column.
It should list by full year month day, no matter whether it was today, last month or years ago. Displays wrong time modified for photos I took and downloaded today (not exif time taken and not anything that makes sense). Not customizable in any way one would expect.
Con Has/had memory leaks
Sometimes about 600MB of RAM goes somewhere...
Con Forces you to constantly swap between mouse and keyboard
Con Slow at moving picture folders
A move, even to the same disk, can take a minute for a folder containing a hundred images.
Con Can't right click in list view mode with a long file list
If the file list is long enough to fill the screen, then there is no empty place to click for bringing the context menu. Need to change the view to Grid view, then right click.
Con Still does not remember per folder view
This is the last missing feature that was removed long time ago and makes Nemo competitive. Should be reimplemented remembering view type and icon size folder by folder.
Con Creating sub-folders within full folders is not possible anymore.
In order to create a new folder within another folder that is full to the bottom of the page, we must create a folder in an open area somewhere else, then move the sub-folder into that full folder. Even worse, we need to use the "Move to..." option, with so many extra clicks, instead of just being able to copy and paste as before.
Con "+ Other Locations" is a stupid change
"+ Other Locations" in the left pane now forces us to click twice or more in order to access additional drives, even the local "Computer." Having all of the drives listed on the left side was quick and easy, and the drive "Properties" were available just by right clicking once, although drive "Properties" is no longer available when clicking on "+ Other Locations," then right clicking on the drives.
I still use Debian 8 for the older Nautilus, even though the developers already damaged that older version as well. However, Nautilus is completely useless to me now in Debian 10 so I am seeking for a new graphical desktop to replace Gnome and Nautilus...I am fed up with the developers.
Con Has too many bugs
There are too many bugs at the current state for this file browser to be usable.