Unix Commands Interview Questions
Questions Answers Views Company eMail

What command is used to replace the existing string with some other?

TCS,

8 20887

What Command is used to make a directory?

IBM,

4 9928

Give Command that will move a single file called "unix.txt"

IBM,

7 12717

Give command that will make the file "run.sh" executable?

IBM,

10 18904

Give Command that will change the name of a directly from paypal to eBay

Alcatel, IBM,

3 10987

How does a user get the current date, time in UNIX?

IBM,

6 16027

What Command will remove a Directory in UNIX?

IBM,

8 18946

How does the user view the contents of a text file in UNIX?

IBM,

9 12786

What command will bring user back to their home directory in UNIX?

IBM, Wipro,

13 20940

What command a user use to view a long text file one page at a time in UNIX?

IBM,

8 16192

What command would users use to see what file one page at a time in UNIX?

IBM,

7 13016

fork in unix ?

BFL,

4 10105

in unix echo is used for

BFL, BirlaSoft, Patni,

10 25579

The command grep first second third /usr/you/myfile a) prints lines containing the words first, second or third from the file /usr/you/myfile b) searches for lines containing the pattern first in the files second, third, and /usr/you/myfile and prints them c) searches the files /usr/you/myfiel and third for lines containing the words first or second and prints them d) replaces the word first with the word second in the files third and /usr/you/myfile e) None of the above

IBM,

4 13704

what is the command to list files in a directory in UNIX?

8 10396


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Un-Answered Questions { Unix Commands }

What do chmod command do?

676


Which command is used to restrict incoming messages?

670


What does grep v do?

641


Explain mount and unmount command.

711


Which unix command to make a new directory?

684






What's a command word?

675


Differentiate cmp command from diff command.

673


Explain how to use grep command to list find the records of a file containing 10 different strings?

680


How is the command '$cat file2 ' different from '$cat >file2 and >> redirection operators ?

846


What is command substitution?

732


What is the significance of the 'tee' command?

672


What do chgrp command do?

693


Which unix command lists files/folders in alphabetical order?

688


What is the function of grep command in unix?

682


What does #!/ Bin sh do?

663