Linux

  1. Overview
  2. Linux Distros
    • Ubuntu
    • Debian
    • CentOS
    • Red Hat Enterprise Linux (RHEL)
    • Fedora
  3. Commands
    • ls
    • pwd
    • cd
    • gzip
    • unzip
    • shutdown
    • reboot
    • ftp
    • crontab
    • service
    • ps
    • free
    • top
    • df
    • chmod
    • chown
    • passwd
    • mkdir
    • ifconfig
  4. Working with Shell Scripts 
    • What is Shell?
    • Basic Operators
      • Decision Making 
    • Command Line Arguments
    • Loops
      • For
      • While
    • Variables
    • Arithmetic Operations
    • Arrays
    • Functions
    • Regular Expressions
    • Debugging
  5. Shell Recipes
    • Checking Server Utilization
    • Checking Disk Space
    • Find out the current working directory of a running process
    • Read A File Line by Line 
    • Drawing a Special Pattern