N A L A N D A O P E N U N I V E R S I T Y
Master of Computer Application Part-II
PAPER-XIII [Practical]
(Operating System)
Annual Examination, 2018
Time 2 Hours. SET-II Full Marks 20
Answer all the Questions. All questions carry equal marks.
1. Write and execute the following commands in UNIX
To create another link to the existing file.
To find files on the drive that match specified criteria.
To show online documentation for a UNIX command.
To create a new directory.
To show disk space used by files or directories.
2. Write a shell program using "grep" command to do the following activities
To select the lines from a file that have exactly three characters.
To select the lines from a file that end with a period
To select all the lines that start with a lower case letter.