Shell Scripting Tutorial: Introduction to shell script
Shell Scripting Tutorial: Shell Script Variables
Shell Scripting Tutorial: Shell Script reading from user input and passing arguments to bash script.
Shell Scripting Tutorial: Special Operators
Shell Scripting Tutorial: Shell Script Conditional Statements
Shell Scripting Tutorial: Shell Script Looping Statements
Shell Scripting Tutorial: Shell Script case, break and continue statements
Shell Scripting Tutorial: Shell script Arithmetic Operations
Shell Scripting Tutorial: Shell script Logical Operations
Shell Scripting Tutorial: Shell Script File Operations
Shell Scripting Tutorial: Shell Script Functions
Shell Scripting Tutorial: Shell Script Special Operations
Shell Scripting Tutorial: Shell Script Tips on debugging shell script