S Gowtham

• Before We Begin
• Very Basic Commands
• Basic Commands
• Help Me, Please
• More Commands

• Commands are case-seNsitIvE
  
  clear and ClEar are not same
• Usernames and Passwords are CaSe-SensitiVE too
• When someone types a wrong command, they will be notified
• Commands are common-sense based
• Never more than 8 characters

• clear
  
  Clears the terminal
• pwd
  
  Present Working Directory
• ls
  
  List the contents

• ls -a
  
  'Hidden' files & folders
• ls -l
  
  Permissions, ownership ...
• ls -al
• ls -ahl
  
  Human Readable Format

• mkdir Directory-Name
  
  Create a directory called Directory-Name
• cd Directory-Name
  
  Change into Directory-Name
  
  If Directory-Name not specified, you will be back in HOME directory
• rmdir Directory-Name
  
  Deletes Directory-Name, iff it's empty

• cp filename1 filename2
• rm filename1
• file filename1
• cat filename1 filename2 > filename3
• paste filename1 filename2 > filename3

• whoami
• who
• w
• finger username
• passwd
  
  
• I am struck and/or want to know more about a command...

• Might seem overwhelming, but information is useful
• Seek it when you get struck
• man commandname is how it's called
• man man tells you about the man itself!

• More than one can be used at once, via PIPES
• Huge number of commands, but...
• Commonly used ones have a graphical-equivalent (mouse clicks)
• Google! Search for basic linux commands to learn more
  
  
• Questions??