Apple OS X Syntax

  Arguments      Shell parameters
  Variables      Variable Substitution
  List of Environment variables
  List of Special bash shell variables
  Array Variables

  functions      Define Function Macros
  Redirection    Redirect output from one command as input for another
  OS X Filesystem hierarchy
  bash Terminal Keyboard Shortcuts
  OSX Keyboard Shortcuts

Looping constructs:
The break and continue builtins may be used to control loop execution.

   if      Conditionally perform a command
   for     Expand words, and execute commands
   while   Execute commands

 Logical, arithmetical and comparison operators
 Conditional Expressions
 Conditional execution

Working with the bash Shell:

 Run a bash shell script
 Prompt Statement variables
 Bash startup files bashrc
 Here documents and Here Strings
 strftime Date and time string formats

General OS X

 Save an OS X installer to a bootable USB drive
 Defaults - setting system preferences
 OS X Root user - How to Enable/Disable
 Background Processes (Westwind)
 Valid Filenames in OS X

For examples of all the above see OS X books

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