First things first

Some most useful and easy commands:

• pwd (present working directory)

• ls (list)

• cd (change directory)

Query: Oh! I don't know anything about these commands, and I don't want to search on internet everytime, how can I still learn?

Answer man <give commandname> (man stands for manual)

Eg. man cd

Current directory: . (dot)

Parent directory: .. (double dots)

Examples:

1 cd(Change Directory): 'cd' is a basic command which is used to change your working directory from one to other