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

Unix Interview Questions

Questions Answers Views Company eMail

What is a filesystem?

3 6604

in UNIX,How do you check for processes started by particular user suppose the user name is 'suresh'?

6 12641

in UNIX,How to copy file into directory?

5 11200

in UNIX,what is the command to remove directory with files?

10 21144

What is the difference between internal and external commands?

BPL, DOEACC, Engro, Kuvempu University, NIIT, TCS,

13 80095

What is the difference between > and >> operators?

6 17566

How many VI editor modes do you know?

Infosys,

8 16910

What scripting languages do you know?

1 4851

What are setuid/setgid in relation to file permissions?

Cap Gemini, IBM,

2 11130

What does mknod do? What?s a named pipe?

Datamatics,

1 9040

What is an inode?

8 20725

What does init do? What does inetd do?

1 8250

What are threads?

4 10345

What are the main families of threads?

1 7031

what is Context switch?

6 16092

Un-Answered Questions { Unix }

What is a regular file in unix?

982

What are the main features of unix?

1514

How to check logs in unix?

1007

What is protection boundary?

1065

What is .login file in unix?

1008

How to restrict NULL value in UNIX

1514

What is the difference between SO_REUSEADDR and SO_REUSEPORT?

1797

What are the main features of korn shell?

953

What is awk used for?

1127

How to write the program on full-duplex communication on bidirectional?

1031

Write a command to kill the last background job?

1098

How do I grep recursively in unix?

948

Is unix is a programming language?

970

What is the working set of a process?

1022

Explain what are links and symbolic links in unix file system?

975

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