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

Describe the usage and functionality of the command rm –r * in unix?

2 2099

How can you see the command line history?

1141

Which unix command to make a new directory?

1144

What do know about tee command and its usage?

1182

Which command can you use to find the currently running process in unix server?

1128

What does the “echo” command do?

1152

Give the command for finding the current date.

1108

What do know about tee command?

1157

Explain ‘system calls’ with respect to unix commands?

1095

Enlist some filename manipulation commands in unix.

1159

What do chown command do?

1185

What is the general format of unix command syntax?

2 1939

What do chgrp command do?

1212

Can you enlist some commonly used network commands?

1113

What does this command do,"$more readme.txt“?

1157

Un-Answered Questions { Operating Systems }

What are types of Collision Resolution Techniques and the methods used in each of the types?

1076

Where are temporary files stored?

942

Where dll files are stored in windows 7?

844

Can we define the size of arraylist?

914

Does windows 7 have file explorer?

817

What does syswow64 mean?

892

How do I run a whois command?

1154

How many types of windows are there?

826

Traverse the given tree using Inorder, Preorder and Postorder traversals. Inorder : D H B E A F C I G J Preorder: A B D H E C F G I J Postorder: H D E B F I J G C A

1069

Is linux a computer operating system?

829

Can I upgrade to windows 8 from windows 7 without losing data?

849

How do I register a dll file in windows 7 64 bit?

746

Define splay tree?

964

What is mission critical system?

1361

How does max heap work?

902

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