To compare content of two files in UNIX, we use

Name the program which is the interface between the user & the computer.

To copy files in UNIX, we use

To change the access permission in UNIX, we use

To change existing password in UNIX, we use

To remove a directory in UNIX, we use

To create a directory in UNIX, we use

To display text messages on screen in UNIX, we use

The OS which utilizes more than one processor is called

When a number of jobs are to be run in a batch processing environment, instructions to the OS are written in the codes of a

The process in which first the job is collected and then is executed is called

UNIX was developed by

Which of the following is not a valid form of CD?

To copy system files on the disk in target disk, we use