A command line function is a method of interacting with a computer by giving it lines of textual commands as an input from the keyboard. User types the commands on the command prompt displayed by the computer. Usually "C:\WINDOWS>", any line in DOS that begins like this is a command prompt.
The C: indicates that the user is in the C drive, which is usually reserved for the internal hard disk of a PC. To open a command prompt / interpreter from windows, follow the following steps:
Windows 95 / 98:
Select Start >>Run >> type "command >>" click OK to open command interpreter.Windows NT / XP / 2K:
Select Start >> Run >> type “cmd >>” click OK to open command interpreter.
At any time you can use the EXIT command to stop the new command interpreter and return control to the windows environment.











