Umesh Chandra

Basic Commands:

• Calendar Command

cal year

$ cal 2004

2004 Represents the year name

It gives the following output

• Calendar Month Command

cal month_number year

$ cal 10 2004

10 Represents the month number i.e., OCTOBER

It gives the following result

• Date Command

$ date

• Who Command

Who Command represents the total users in the System

$ who

• Who Am I Command

$ whoami

Displays user, group and privileges information for the user who is currently logged on to the local system

• Help Command

Used to display the user manual of any command that we can run on the terminal. It provides a detailed view of the command which includes NAME, SYNOPSIS, DESCRIPTION, OPTIONS, EXIT STATUS, RETURN VALUES, ERRORS, FILES, VERSIONS, EXAMPLES, AUTHORS and SEE ALSO.

man command_name

$ man clear

• Clear Command

The clear command is the go-to tool for clearing the terminal screen in Linux

$ clear