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

Windows (3805)
Linux (2255)
Unix (1304)
Solaris (894)

RTOS (43)
Bulnex (4)
Operating Systems General Concepts (1242)
Data Structures (2039)

Operating Systems Interview Questions

Questions Answers Views Company eMail

Name the unix command to find how many days the server has been up.

1223

What do chmod command do?

1303

Which command should you use to find the remaining disk space in unix server?

1360

What is the behavioural difference between cmp and diff commands?

1358

What is “chmod” command?

1256

Which command is used to find whether the system is 32 bit or 64 bit?

1212

Which unix command lists files/folders in alphabetical order?

2 1873

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

1147

Can you explain a little bit about command substitution?

1171

Describe the zip/unzip command using gzip.

1241

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

1276

Explain ‘library functions’ with respect to unix commands?

1228

Can you write a command to erase all files in the current directory including all its sub-directories?

1 1737

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

1255

What is the unix command to confirm a remote host is alive or not?

1293

Un-Answered Questions { Operating Systems }

Tell me what has triggered the need for multitasking in pcs?

1003

What is grep short for?

1116

What are the applications of priority queues?

1096

What are linux commands?

1090

Can you fix blue screen of death?

1050

Explain briefly about processor and its functioning?

1117

What to do if windows 7 is not starting?

912

What does it mean to restore default settings?

1007

Where are the startup files in windows 10?

953

How do I fix missing dll files in windows 7?

885

Describe Recovery from Deadlock?

1342

Is microsoft part of windows?

901

Why is an array homogeneous?

921

What is the full form of os?

1142

What is minimum depth of binary tree?

1030

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