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

How will you check the disk performance?

Wipro,

2 6290

What are performance tool used

1 4144

Which service assign port no dynamically

1 4013

As a user how he can change is passwd with root privilege.

2 5058

What is default permission of /etc/passwd , /etc/shadow files

Accel Frontline,

7 35768

What is default permission of files and directory?

4 6097

What is UMASK

2 5063

Defalut value for umask

3 5884

Explain setuid, setgid and stickybit

2 7252

How to set passwd never expire for a user

4 13097

How to find the kernel bit version or architecture

5 8877

How to set the time zion

3 4940

How to enable and disable the dtlogin

1 3880

How to change the hostname and Ethernet address in single command

2 5679

How do you add the disk without reboot the server?

2 5465

Un-Answered Questions { Operating Systems }

What is form control?

806

. Using sed and grep, write a command which lists files and directories with following properties: (i) created in 1999 (ii) with user's as owner and group

2667

How long should sfc scannow take?

1167

What is operating system in computer?

1070

Do ssds use less power?

880

How do I get my windows start menu back?

882

How can we reverse a singly linked list?

1005

Is windows 10 the worst operating system ever?

755

What is ps command in linux?

1020

What is the default windows 10 font?

904

How do I completely reset my computer windows 7?

888

What is the best decompiler?

994

Performace degradations in NFSv4 when upgraded from NFSv3? problems with NFS v4?

2189

Why does a file get corrupted?

943

if a min thread has finished execution what happens ? a) it exits b) it wait for other threads c) becomes inactive ... etc etc

3438

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