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

What are rings in Windows NT?

1 5937

What is Executive in Windows NT?

2 6199

What are the sub-components of I/O manager in Windows NT?

2 6534

What level of security does Windows NT meets?

DCI,

2 7276

What is a binary semaphore? What is its use?

CDC, Maveric, Morgan Stanley,

7 37041

What is an idle thread?

1 5272

What is lock granularity?

IBM,

1 5383

what is disk interleaving? why is disk interleaving adopted?

IBM,

2 16890

How to connect oracle database from unix

Cap Gemini, IBM, Wirecard,

6 53685

What Command is used to make a directory?

IBM,

4 11758

Give Command that will move a single file called "unix.txt"

IBM,

7 15014

Give command that will make the file "run.sh" executable?

IBM,

10 22479

Give Command that will change the name of a directly from paypal to eBay

Alcatel, IBM,

3 12630

How does a user get the current date, time in UNIX?

IBM,

6 18539

What Command will remove a Directory in UNIX?

IBM,

8 22016

Un-Answered Questions { Operating Systems }

State the difference between queues and linked lists?

1055

What are the ways in which replication agreements between directory structures be arranged?

1086

Where is file explorer on windows?

962

How do I make windows defender scan automatically?

914

How do I fix dll files in windows 7?

947

How much usable space is available, when a Linux system is configured with a RAID 5 array that consists of six 20 GB hard disk drives?

980

Why do we use data structures?

964

Does 64bit mean 64bit?

1105

How do I open multiple folders in windows 10?

908

Does hashset allow duplicates?

1137

What is the best version of linux?

981

Which sorting technique is best in worst case?

961

Can windows' built-in zip compression be scripted?

885

What does awk stand for?

1150

What is pipelining in reference to ram?

1098

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