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 is Scheduling algorithm?

Ciena,

1108

How can you check whether a machine is 64 bit or 32 bit?

Expedia,

1120

Some omeone on campus calls and says they have a new Mac. They've just pulled it out of the box and want to plug it into the campus network. What might they need to set to make this work?

Infogain,

1232

Give an example of Priority Inversion in Scheduling. What are the consequences of Priority Inversion?

Ciena,

1017

Explain Round Robin.

Genpact,

1019

State two differences between user and kernel space?

Flextronics,

1058

What is storage management in operating system?

Honeywell, Huawei, Zomato,

1110

What are the differences between Real Time Operating System (RTOS) and General Purpose Operating Systems (GPOS)?

Ciena,

1064

How to find the number of SIMM Pins

HCL,

1140

How will you check if your R3 system is 32bit or 64bit?

Atos Origin,

1022

What are significance of semaphores?

Axtria,

1159

How you can check whether a machine is 64 bit or 32 bit?

GrapeCity,

1030

What are threads in OS?

Fidelity,

1133

Describe all the processes of the OS.

GrapeCity,

1184

What is a Real Time Operating System? Elaborate.

1212

Un-Answered Questions { Operating Systems }

How do I make a program available to all users?

1036

What is the need of device status table?

1045

How to compare Two Arrays?

1010

What are the parts of desktop screen?

920

What is the use of sorting?

952

Where are ost files stored?

979

List the basic components of linux?

986

Can I downgrade from windows 10 to 7?

791

How do I move my downloads folder?

953

How do I restore windows 10 to factory settings?

775

What is the difference between filesystems ext2, ext3 and ext4 in linux?

863

What do you mean by ldconfig in linux?

813

Which unix command lists files/folders in alphabetical order?

1754

List the area of applications where stack data structure can be used?

914

Are sets sorted?

892

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