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,

1110

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

Expedia,

1125

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,

1239

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

Ciena,

1023

Explain Round Robin.

Genpact,

1025

State two differences between user and kernel space?

Flextronics,

1060

What is storage management in operating system?

Honeywell, Huawei, Zomato,

1116

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

Ciena,

1069

How to find the number of SIMM Pins

HCL,

1147

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,

1032

What are threads in OS?

Fidelity,

1138

Describe all the processes of the OS.

GrapeCity,

1190

What is a Real Time Operating System? Elaborate.

1223

Un-Answered Questions { Operating Systems }

absolute path gives the location a file or directory in reference to a rile directory while relative path is a path given file starting from another file. explain?

1748

What is the login process to the aix system?

Is python a single thread?

820

What is booting in ms-dos?

484

Why does hashset use hashmap?

939

Is face threading bad?

790

Is windows 10 really free forever?

872

What is the relationship between a queue and its underlying array?

1267

What is the main difference between wait() and sleep() method?

1063

How many passes does bubble sort need?

923

What does a file extension tell you?

970

What does umask 077 mean?

990

How do I enable vlc plugin in chrome?

1022

How do I add a font to windows 10?

823

Will I lose my files if I upgrade to windows 10?

836

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