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
  The break and continue builtins can be used to control loop execution.

Evaluating expressions:

  Arithmetic expressions
  Using brackets to Group and expand expressions
  Conditional Execution command-A AND/OR command-B
  Comparison Operators exists, greater than, equal to
  Shell expansion
  Escape Characters, delimiters and Quotes
  File operators -f
  Command Substitution
  Wildcards Pattern matching

Working with the bash Shell:

  Run a bash shell script
  vi editor     vi commands
  Here documents and Here Strings
  Keyboard      Cursor control - Cut & paste 
  Job Control   Suspend and resume a process
  .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

See also: Links to Linux bash books / Websites

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