Operating Systems Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

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RTOS (43)
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Operating Systems General Concepts (1242)
Data Structures (2039)

Operating Systems Interview Questions

Questions Answers Views Company eMail

What is the difference between arraylist and linkedlist?

985

Which interface treemap implements?

970

If we try to add duplicate key to the hashmap, what will happen?

864

Which interfaces are implemented by linkedhashset?

1032

What is copyonwritearraylist?

998

Why is reflection slower?

897

Which is the parent class of hashmap class?

1143

Which interfaces are implemented by enumset?

880

What is the difference between collection and collections?

1020

What is the difference between collections class vs collections interface?

957

What things you would care about to improve the performance of application if its identified that its db communication that needs to be improved?

928

If you are given a choice to use either arraylist and linkedlist, which one would you use and why?

984

Which is the parent class of deque class?

923

Can we add heterogeneous elements into treemap?

953

Treemap orders the elements on which field?

908

Un-Answered Questions { Operating Systems }

Do I need mcafee with windows defender?

913

What does it mean to associate a file?

950

How to change the directory in unix?

1000

What is p in mkdir?

996

How do I reset nav pane?

984

Explain how a copying garbage collector works.

1027

How do I open a exe file in windows 10?

974

Describe stack operation.

965

How do you run a command for a limited time?

1021

Which linux is closest to mac?

913

Should I install 32 or 64 bit?

1030

What is the syntax of mkdir?

1108

What do you understand by default settings?

900

How can you count the number of characters and lines in a file?

987

Which os is faster linux or windows?

910

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