Evolution of shells in Linux

Dec 6, 2011 ... Pointing and clicking is fine for most day-to-day computing tasks, but to really
take advantage of the strengths of Linux over other environments, you eventually
need to crack the shell and enter the command line. Lots of command shells are
available, from Bash and Korn to C shell and various exotic and ...

Learn Linux, 101: Customize and use the shell environment

Dec 12, 2015 ... Learn how to customize your Linux shell environment and write simple bash
functions. You can use the material in this tutorial to study for the LPI 102 exam
for Linux system administrator certification, or to learn for fun.

Linux tip: Bash parameters and parameter expansions

May 16, 2007 ... The bash shell is available on many Linux® and UNIX® systems today, and is a
common default shell on Linux. In this tip you will learn how to handle parameters
and options in your bash scripts and how to use the shell's parameter expansions
to check or modify parameters. This article focuses on bash, ...

Linux/UNIX Shell Scripting: Why does "echo" remove spaces and ...

Sep 4, 2013 ... One common problem I have personally made and seen others make while shell
scripting is trying to set a variable to be the contents of a file or the output of a
multiline command, and then trying to echo the variable to process it further with
grep, awk, a while loop, etc. Depending on how you do this you ...

Linux tip: Bash test and comparison functions

Feb 20, 2007 ... The Bash shell is available on many Linux® and UNIX® systems today, and is a
common default shell on Linux. Bash includes powerful programming capabilities
, including extensive functions for testing file types and attributes, as well as the
arithmetic and string comparisons available in most ...

Using Bash shell scripts for function testing

Mar 1, 2001 ... Function testing is a critical part of software development -- and Bash, which is
already loaded in Linux and ready to go, can help you do it quickly and easily. In
this article, Angel Rivera explains how to use Bash shell scripts to perform
function testing of Linux applications that use line commands.

Zsh - The new Linux/Unix shell everyone's talking about (Real world ...

Nov 25, 2012 ... What really is Zsh? Zsh (Z Shell) is a Unix shell with a powerful shell scripting
engine. Zsh is an improvement over the Bourne Shell and includes some of the
features of bash, ksh and tcsh. Why would you really use Zsh? 1) Command
Completion -- like a ninja! Not only for files and directories but also for ...

Linux sort command - Sort lines of text files (Real world Linux)

Dec 7, 2012 ... While going through an article on Linux text processing commands, I came
across Linux sort command. I found this command interesting enough to read
more about it and try out some of it's examples. So here in this article, I'll share my
understanding on Linux sort command through some examples. Before ...

Learn Linux, 101: Customize or write simple scripts

Jan 18, 2016 ... Learn how to customize existing scripts or write simple new bash scripts using
standard shell syntax, looping and control structures, and tests for success or
failure. You can use the material in this tutorial to study for the LPI 102 exam for
Linux system administrator certification, or to learn for fun.

Recover from a failed Linux boot

Oct 22, 2013 ... You can also use emergency boot disks to boot your normal Linux installation
even if a problem occurs with the regular initial stages of boot loader activation.
Broadly speaking, GRUB recovery addresses two types of problems: problems
that you can solve by using GRUB's built-in shell and those that ...

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