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

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Operating Systems Interview Questions

Questions Answers Views Company eMail

Will it create any problem if we add elements with key as user defined object into the treemap?

907

Which is the parent class of linkedhashset class?

908

Will this code give error if I try to add two heterogeneous elements in the arraylist? And why?

950

Can we override compareto method for enumerations?

996

If I try to add enum constants to a treeset, what sorting order will it use?

1152

What is the difference between list, set and map?

981

Which is the parent class of linkedlist class?

1014

Can we add duplicate keys in a hashmap? What will happen if we attempt to add duplicate values?

828

Which are the sorted collections?

948

Why using cookie to store session info is a better idea than just using session info in the request?

933

What are the Differences between map and hashmap?

1002

What are the difference between arraylist and linkedlist from the perspective of sorting?

990

What is concurrentlinkeddeque?

1009

Which is the parent class of printerstatereasons class?

884

Which of the collections allows null as the key?

862

Un-Answered Questions { Operating Systems }

Why is a single serial port managed with a single interrupt-driven i/o but a front-end processor is managed using a polling i/o, such as a terminal concentrator?

995

What is the use of data structure in real life?

959

how do I create a volume group?

How do you share a program across different virtual desktops under linux?

1728

How long does it take to reset a pc windows 10?

866

How do I lower my ram usage windows 10?

843

What does socket consist of?

816

Where is the menu bar?

978

Suppose I have one column with data smithjohnmichale the o/p should be smith,john, michale how we do in unix?

868

Is http patch idempotent?

907

What do cores and threads mean?

852

How do I view registry files?

860

You have a tab delimited file called phonenos and want to change each tab to four spaces. What command can you use to accomplish this?

1050

You routinely compress old log files. You now need to examine a log from two months ago. In order to view its contents without first having to decompress it, use the which utility in linux?

862

How can the output be redirected to some other action process in place showing it in the screen?

1064

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