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

Windows (3805)
Linux (2255)
Unix (1343)
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.

1163

What do chmod command do?

1220

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

1307

What is the behavioural difference between cmp and diff commands?

1284

What is “chmod” command?

1172

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

1149

Which unix command lists files/folders in alphabetical order?

2 1756

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

1085

Can you explain a little bit about command substitution?

1115

Describe the zip/unzip command using gzip.

1155

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

1220

Explain ‘library functions’ with respect to unix commands?

1173

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

1 1652

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

1192

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

1215

Un-Answered Questions { Operating Systems }

How to find $ai_serual resolved path by using unix

1751

How unix is different from other operating systems?

919

Describe full binary tree and complete binary tree.

878

Is there a windows 7 service pack 3?

804

Can windows 7 have directx 12?

846

What is time_t?

1111

Explain about assembler and the functions executed by them?

1097

How do I setup gmail on windows 10?

914

Why is it that a single, all – encompassing metric cannot be developed for programme complexity or programme quality?

2128

What is the programming language for linux?

1179

What is better windows 7 upgrade or full retail version? Does the upgrade contain all the features of full version?

756

What is difference between treeset hashset linkedhashset?

915

What is wscript exe?

942

Why sorting is used?

928

What is a reverse linked list.

1027

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