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

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

Operating Systems Interview Questions

Questions Answers Views Company eMail

What is the impact of signed numbers on the memory?

941

Why do we Use a Multidimensional Array?

894

What is ‘ps’ command for?

1187

What is the significance of the 'tee' command?

1202

What does the command ' $who | sort –logfile > newfile' do?

1280

What does the command '$ls | wc –l > file1' do?

1235

How is the command '$cat file2 ' different from '$cat >file2 and >> redirection operators ?

1317

Explain the steps that a shell follows while processing a command.

1237

What difference between cmp and diff commands?

1306

What is the difference between cat and more command?

1303

Write a command to kill the last background job?

1107

Which command is used to delete all files in the current directory and all its sub-directories?

1267

Write a command to display a file’s contents in various formats?

1214

What will the following command do?

1123

What is the use of the command 'ls -x chapter[1-5]' ?

1216

Un-Answered Questions { Operating Systems }

What programs should not run at startup?

1047

Can we run .sh files in windows?

859

How do I do a system reset on windows 7?

911

Explain how do you create special files like named pipes and device files?

947

Can we override compareto method for enumerations?

999

What is tasklist command?

1038

How many types of ipc mechanism do you know?

904

What is time_t?

1118

Is treemap sorted?

958

How do I run dism tool?

930

Can I kill rundll32 exe?

927

Can a windows 7 be upgraded to windows 10?

844

What is the Role of push() and pop() method?

1024

What is the difference between file structure and storage structure?

1017

What tense is a command?

992

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