Unix Commands Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Unix Commands Interview Questions

Questions Answers Views Company eMail

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

TCS,

8 23861

What Command is used to make a directory?

IBM,

4 11756

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

IBM,

7 15012

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

IBM,

10 22470

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

Alcatel, IBM,

3 12628

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

IBM,

6 18532

What Command will remove a Directory in UNIX?

IBM,

8 22006

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

IBM,

9 15429

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

IBM, Wipro,

13 25133

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

IBM,

8 18658

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

IBM,

7 15151

fork in unix ?

BFL,

4 11898

in unix echo is used for

BFL, BirlaSoft, Patni,

10 29136

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 15413

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

8 12945

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Un-Answered Questions { Unix Commands }

Why is it called a shebang?

1248

How do I search a whole word in vim?

1224

Does cp command overwrite files?

1271

What command is used to switching between users in unix?

1133

Can you enlist some commonly used network commands?

1163

How does pipe () work?

1151

What does grep v do?

1100

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

1329

What is the nmap command?

1245

What are some command words?

1206

How do I clear my terminal history?

1234

What is {} in find command?

1161

What do know about tee command and its usage?

1249

How do I run a bash script?

1241

What does find command return in unix?

1206

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