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

Unix Commands Interview Questions

Questions Answers Views Company eMail

Suppose 1000 processes are running on the system out of those if you have to show only certain process ids which command will you use?

5 13076

What is the syntax of grep command and what is its use?

6 12575

How do you move a process which is running background to foreground?

9 18360

How do you stop a running process?

7 17155

What is the procedure of "at" and crontab" commands?

4 12168

Which command will you use to change the permissions on file?

7 11429

What is the use of pipes?

4 9788

Through which command will redirect output to bOth screen and files at the same time?

3 11241

How do you know about running processes of a particular user?

11 21858

How do you remove a crontab file?

6 19337

What is the basic difference between unix and windows operating systems?

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43 182531

How do you find path of a directory? Give its syntax.

7 16775

In vi editor how do you execute unix commands?

10 22621

what is the use of "test" command in unix?

4 21650

Give a regular expression that finds two things, try to come up with regular expressions that find each individually using "egrep" command?

5 15207

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Un-Answered Questions { Unix Commands }

What are the unix commands?

1152

What is the behavioural difference between cmp and diff commands?

1341

How to find $ai_serual resolved path by using unix

1841

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

1324

What is unix command?

1320

What is ctrl d?

1156

Which command is used to kill the last background job?

1392

Using unix command how to display no of records in oracle?

1207

How do I search a whole word in vim?

1222

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

1131

What command is used to switching between users in unix?

1128

What do know about tee command and its usage?

1248

What is the nmap command?

1239

Why is it called grep?

1085

Explain the terms ‘system calls’ and ‘library functions’ with respect to unix commands?

1266

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