1) Input and Output redirection. 2) ls command options 3) Linux file timestamps.

File search in linux

Linux awk: generate payslip

Linux Awk: Significance of 1) BEGIN and END sections 2) built-in variables

Corollary to Shell Scripting: sed command part 2

Linux awk: File processing by awk

Linux shell scripting: sed part 2

Linux Shell Scripting: sed part 1

Linux sed command part 3

Linux sed command part 2

Linux sed command part 1

Processes in Linux

Automate with Bash Scripting Part 7 - Loops

Automate with Bash Scripting Part 6

Automate with Bash Scripting Part 5 - Case Construct

Automate with Bash Scripting Part 4

Automate with Bash Scripting Part 3

Automate with Bash Scripting Part 2

Automate with Bash Scripting Part 1

Linux grep filter command: grep, fgrep, egrep...

Linux grep filter command: part 4

Linux grep filter command: part 3.

Linux grep filter command: part 2.

Linux grep filter command: Part 1.

expr, let and bc commands: Performs basic arithmetic.