Unix Commands Interview Questions
Questions Answers Views Company eMail

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

TCS,

8 14832

What Command is used to make a directory?

IBM,

4 7255

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

IBM,

7 8928




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

IBM,

10 14038

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

Alcatel, IBM,

3 8324

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

IBM,

6 12494

What Command will remove a Directory in UNIX?

IBM,

8 14733

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

IBM,

9 9096




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

Wipro, IBM,

13 14404

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

IBM,

8 12094

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

IBM,

7 9730

fork in unix ?

BFL,

4 7660

in unix echo is used for

Patni, BirlaSoft, BFL,

10 20746

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 9462

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

8 6817


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Un-Answered Questions { Unix Commands }

Name the various commands that are used for the user information in unix.

49


What is difference between grep and find command in unix?

45


What is grep and how do you use it?

35


Enlist some filename manipulation commands in unix.

53


Name the unix command to find how many days the server has been up.

60






How do I clear my terminal history?

43


Write a command that will allow a unix system to shut down in 15 minutes, after which it will perform a reboot.

73


What is rmdir command?

20


Who command in unix operating system?

44


What does touch command do in unix?

41


What happens when we execute a unix command?

59


What is grep r?

46


Differentiate cat command from more command.

54


What do chown command do?

53


How do I find previous commands in unix?

42