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,

1112

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

Expedia,

1127

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,

1241

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

Ciena,

1025

Explain Round Robin.

Genpact,

1025

State two differences between user and kernel space?

Flextronics,

1063

What is storage management in operating system?

Honeywell, Huawei, Zomato,

1117

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

Ciena,

1070

How to find the number of SIMM Pins

HCL,

1148

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

Atos Origin,

1027

What are significance of semaphores?

Axtria,

1166

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

GrapeCity,

1033

What are threads in OS?

Fidelity,

1140

Describe all the processes of the OS.

GrapeCity,

1192

What is a Real Time Operating System? Elaborate.

1226

Un-Answered Questions { Operating Systems }

Is vmware a hypervisor?

956

What does exe mean?

950

What command should you use to check the number of files and disk space used and each user’s defined quotas?

1076

What is purpose of different operating systems?

1057

Is ios based on linux or unix?

961

What does && mean in linux?

1116

State the properties of b tree.

1042

How can I tell if my windows 10 is 32 or 64 bit?

782

How do I fix windows 10 registry file is missing or corrupt?

824

What do you mean by double hashing?

1053

How many threads can a cpu run?

854

What does unix .profile contains?

986

What is the copy command in linux?

987

What are the properties of binary tree?

909

What is in mkdir command?

1115

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