Linux for Starters: Your Guide to Linux – Linux Commands – Appendix

Commands: E-H
echoPrint given arguments
edThe original Unix text editor
egrepFind patterns in files using extended regular expression (supports ?, +, {}, () and |)
envShow the environment or run a program in a modified environment
expandConvert tabs to spaces
exprEvaluate expressions and manipulate strings
factorPrints the prime factorization of a number
fdiskA program for managing partition tables and partitions on a hard disk
fgrepMatches fixed strings in files
findFind files or directories under the given directory tree, recursively
foldWraps each line in an input file to fit a set width and prints it to standard output
fsckCheck the integrity of a filesystem or repair it. The filesystem should be unmounted
grepFind patterns in files using regular expressions
groups Print group memberships for a user
gzipCompress/uncompress files with gzip compression (LZ77)
headOutput the first part of files
hostnameShow or set the system's host name

Pages in this article:
Page 1 – Commands: A-D
Page 2 – Commands: E-H
Page 3 – Commands: I-M
Page 4 – Commands: N-R
Page 5 – Commands: S-U
Page 6 – Commands: V-Z

All articles in this series:

Linux For Starters: Your Guide to Linux
1What is Linux? Why use Linux? What do I need?
2Choose a Linux distribution meeting your specific needs and requirements.
3Make a bootable Ubuntu USB stick in Windows.
4We show you how to install Ubuntu 21.04 on your hard disk.
5Things to do after installing Ubuntu.
6Navigating your way around the Desktop.
7Updating the system, install new software.
8Open source replacements for proprietary Windows desktop software.
9Get started with the power and flexibility of the terminal.
10We cover the basics of files and permissions.
11Getting help from your system.
12Learn all about the file system.
13Manipulating files from the shell.
14Maintain your system with these simple tips.
15Managing users on your system.
16Explore different desktops to GNOME 3.
17Gaming on Linux.
18Protect your privacy with this guide.
19Access the Windows desktop from Linux using a remote desktop client.
20Set up a virtual machine running Ubuntu as the host and openSUSE as the guest.
21Wine lets you run Windows programs on Linux without emulation.
22Extend your GNOME desktop with extensions and themes.
XUseful Linux commands.
Best Free and Open Source SoftwareRead our complete collection of recommended free and open source software. Our curated compilation covers all categories of software.

The software collection forms part of our series of informative articles for Linux enthusiasts. There are hundreds of in-depth reviews, open source alternatives to proprietary software from large corporations like Google, Microsoft, Apple, Adobe, IBM, Cisco, Oracle, and Autodesk.

There are also fun things to try, hardware, free programming books and tutorials, and much more.

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