Bash How-to guides and examples

Arguments Shell parameters.

Array variables Array Variables.

Variables Local and Environment 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.

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

Command Substitution

Escape Characters, delimiters and Quotes

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

Shell expansion { } $ ~ &{} $()

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

Xterm colours 256 Colors for the XTerm prompt (console)

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

Arguments	Shell parameters.
Array variables	Array Variables.
Variables	Local and Environment 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.

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.

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
Xterm colours	256 Colors for the XTerm prompt (console)