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

What are the different job scheduling in operating systems?

B-Ways TecnoSoft,

1010

Draw the states of a process in an OS.

GrapeCity,

1128

What do you mean by a semaphore?

Flextronics,

1169

Describe horizontal scalability and vertical scalability.

Tech Mahindra,

1092

How i can repair File Allocation Table?

HCL,

1103

What do you mean by threads in Operating System?

EXL, HCL,

1156

What are the different types of semaphores?

Axtria,

1107

What is the shortest definition of os?

Infosys,

1085

Differentiate between swapping and paging.

Tech Mahindra,

1123

Who does the memory management in operating system?

1016

Explain 32 bit application/OS vs 64 application/OS?

MCN Solutions,

938

Explain any program using Semaphores.

Huawei,

1173

Tell me about virtual memory?

Honeywell, Zomato,

1030

Describe Inter Machine Communication?

MaxSolPro,

1183

What is Real Time Operating System (RTOS)? What are the advantages of RTOS?

Ciena,

1122

Un-Answered Questions { Operating Systems }

Write a program using mergesort technique.

1003

Now that windows 10 is available, can I still get windows 8.1?

871

What is starvation in operating system?

1180

What are the various capacities in which a ram is available?

1017

How do I run a .sh file in linux?

1111

What do you mean by the term “percolate up”?

950

What is the non linear data structure?

918

How many gb of ram can 64 bit use?

1027

What is synchronization? What are the different synchronization mechanisms?

1064

What programs does windows 10 come with?

820

You need to see the last fifteen lines of the files dog, cat and horse. What command should you use?

979

What are the two command line interfaces that come with windows?

792

What is stable sorting method?

1011

You are required to restore the file memo.ben. It was backed up in the tar file MyBackup.tar. Which command would you use to do it?

1063

What is a full form of ok?

1061

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