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Unix Commands Interview Questions
Questions Answers Views Company eMail

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

TCS,

8 21722

What Command is used to make a directory?

IBM,

4 10314

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

IBM,

7 13259

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

IBM,

10 19802

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

Alcatel, IBM,

3 11358

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

IBM,

6 16773

What Command will remove a Directory in UNIX?

IBM,

8 19610

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

IBM,

9 13580

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

IBM, Wipro,

13 22030

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

IBM,

8 16905

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

IBM,

7 13601

fork in unix ?

BFL,

4 10497

in unix echo is used for

BFL, BirlaSoft, Patni,

10 26388

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 14087

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

8 11003

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Un-Answered Questions { Unix Commands }

What does the md command do?

771

What do chmod command do?

811

What are the dos commands?

875

What happens when we execute a unix command?

800

What is the use of finger command?

835

What does the command '$ls | wc –l > file1' do?

905

Why is shebang used?

806

How do I run a bash script?

813

What is the use of sed command in unix?

831

Explain command to view process running?

814

What will the following command do?

820

Describe the usage and functionality of the command rm –r * in unix?

1492

What is updatedb?

766

Which unix command lists files/folders in alphabetical order?

1180

What is ctrl d?

809

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