3. Shell Operators
► Testing expression/s (with test command and conditional expression (square brackets))
► Command let or expr command or expression (with ())
► Arithmetic Operators
► Increment and decrement Operators
► Relational Operators
► Logical or Boolean Operators
► Bitwise Operators (using let or double parenthesis expression)
► Augmented Assignment Operators
► Operator precedence and association
► String Operators
► File check or test operators (with test and conditional expression)
► Conditional Execution (&& and ||)
Check out the following link for Linux Shell Scripting outline:
• Linux Shell Scripting | Outline