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.

Shell variables Default Shell variables / bash variables.

Local vars Create environment variables in bash.

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.
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.
Shell variables	Default Shell variables / bash variables.
Local vars	Create environment variables in bash.

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).