Bash How-to guides and examples

Arguments	Shell parameters.
Array variables	Array Variables.
Functions	Define Function Macros.
Permissions	Allow or Deny actions.
Redirection	Spooling to and from files.
Pipes	Redirect the output from one command as input for another.
Variables	bash Shell variables and environment variables.

Looping constructs:

if then else	Conditionally perform a command.
for	Expand words, and execute commands.
until	Execute commands (until error).
while	Execute commands.
break	Control loop execution.
continue	Control loop execution.

Evaluating expressions:

Arithmetic expressions.

Using brackets to Group and expand expressions.

Conditional Execution commandA AND/OR commandB

Escape Characters, delimiters and Quotes

File operators/Comparisions - exists, greater than,-a, -nt

Command Substitution $(command)

Shell expansion ${parameter:-word} { } $ ~ &{} $()

Wildcards Pattern matching.

Working with the bash Shell:

Run script	Run a bash shell script.
Here documents	and Here Strings.
Job Control	Suspend and resume a process.
Keyboard	Cursor control - Cut & paste.
.bashrc	Startup files (Startup scripts and Aliases).
.inputrc	Startup files (Set Key bindings and Tab completion).
Prompt	Prompt variable.
###	Comment / Remark.
BashBangSplat	Pronunciation guide for Unix.
vi editor	vi commands.
Terminal	The difference between a Terminal, a Shell and a Console.
Xterm colours	256 Colors for the XTerm prompt (console).

The pronounciation for Linux is 'Lyn-ux' not 'Line-ux' Listen to Linus.

See also: Websites, Books, OS Downloads, Apps & Utilities for GNU/Linux.