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

Which list does not allow duplicates?

877

What is static array?

961

What is the time complexity of hashmap get () and put () method?

882

Which collection allows null values?

876

What is the default size of an arraylist?

932

Why we use linked list?

908

Why is hashmap faster than arraylist?

1018

Why is arraylist not thread safe?

916

Which is better hashset or treeset?

1009

What is the default capacity of hashmap?

836

What is difference between set and map?

990

What is difference between list and set?

830

What is difference between hashtable and hashmap?

1040

Why entry interface is used in map?

924

What is meant by arraylist?

924

Un-Answered Questions { Operating Systems }

Does linux run faster than windows?

921

What is the use of tree data structure?

873

what is the command to increase the size of error log when it is full?

What is bsd in linux?

843

Parenthesis is never required in postfix or prefix expressions, why?

899

Where is windows 10 product key?

827

Why bash is used in linux?

1046

Name the general commands in using unix os for a beginner?

1166

What is array and structure?

978

What is difference between windows 10 and windows 10 home?

828

what is the difference between dynamic as well as non - dynamic data structures.

953

How to remove the first line/header from a file in Unix?

1058

Can we null keys in treemap?

999

What is list and its types?

890

Program to remove duplicate elements in an array.

1020

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