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 12715

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

6 12078

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

9 17790

How do you stop a running process?

7 16629

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

4 11785

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

7 10908

What is the use of pipes?

4 9457

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

3 10963

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

11 21102

How do you remove a crontab file?

6 18810

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

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43 179695

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

7 16259

In vi editor how do you execute unix commands?

10 21960

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

4 21291

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

5 14820

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Un-Answered Questions { Unix Commands }

What is {} in find command?

1065

What is awk good for?

1099

How is the command '$cat file2 ' different from '$cat >file2 and >> redirection operators ?

1268

What is the use of the command 'ls -x chapter[1-5]' ?

1166

What is awk used for?

1088

Which command is used to copy files?

1128

What is grep and how do you use it?

1066

Which command will print your home directory on screen?

1041

What is a command and examples?

1168

What is the function of grep command in unix?

1116

What difference between cmp and diff commands?

1258

What is the command to find hidden files in the current directory?

1152

what is the advaantage of each user having its own copy of the shell?

2513

What does #!/ Bin sh do?

1034

What is the command to find maximum memory taking process on the server?

1162

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