Unix Commands Interview Questions
Questions Answers Views Company eMail

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

TCS,

8 20118

What Command is used to make a directory?

IBM,

4 9523

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

IBM,

7 12181

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

IBM,

10 18093

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

Alcatel, IBM,

3 10570

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

IBM,

6 15388

What Command will remove a Directory in UNIX?

IBM,

8 18245

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

IBM,

9 12109

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

IBM, Wipro,

13 19868

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

IBM,

8 15500

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

IBM,

7 12485

fork in unix ?

BFL,

4 9736

in unix echo is used for

BFL, BirlaSoft, Patni,

10 24868

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 13181

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

8 9766


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Un-Answered Questions { Unix Commands }

What command is used to switching between users in unix?

545


What is the use of awk command in unix?

557


What are file commands?

635


How does the system know where one command ends and another begins?

1539


What is the function of grep command in unix?

562






How many unix commands are there?

602


Who command in unix operating system?

640


Which command is used to kill the last background job?

749


Explain command to view process running?

592


How do I use grep to find a file?

557


What is the use of finger command?

570


What is in grep command?

619


What is the comma to show the space allocation of files?

533


Is ‘du’ a command? If so, what is its use?

611


What is the use of the tee command?

564