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

How do you find out all processes that are currently running in UNIX OS?

10 16500

In UNIX, what is the command to kill a process?

10 22178

In UNIX, what is the command to edit contents of the file?

9 13330

in UNIX ,What is the command to view contents of a large error log file?

7 14680

How do you log in to a remote Unix box?

2 8057

what is the command to get help on a UNIX terminal?

5 10279

What is a filesystem?

3 6610

in UNIX,How do you check for processes started by particular user suppose the user name is 'suresh'?

6 12649

in UNIX,How to copy file into directory?

5 11212

in UNIX,what is the command to remove directory with files?

10 21155

What is the difference between internal and external commands?

BPL, DOEACC, Engro, Kuvempu University, NIIT, TCS,

13 80115

What is the difference between an argument and an option/switch?

Wipro,

3 28961

What is the difference between home directory and working directory?

Accenture, Flexi,

10 27386

Which directory is closer to the top of the file system tree, parent directory or current directory?

3 7916

in LINUX,What are two subtle differences in using the more and the pg commands?

2 8545

Un-Answered Questions { Operating Systems }

When should structures be passed by values or by reference?

1020

How you can find a file using terminal?

916

How do I setup gmail on windows 10?

912

What are file extensions examples?

1082

What is icmp flood?

936

How do I run a unix script?

940

What is mkdir p linux?

1059

How do I select multiple folders?

921

Can you put any hard drive in a laptop?

982

What happens when arraylist is full?

985

How to switch to a previously used directory?

914

What does af_inet stand for?

1207

Which is faster hashmap or hashtable?

913

Explain semmns?

917

How does reference counting manage memory allocated objects? When can it fail to reclaim objects?

925

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