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

Windows (3805)
Linux (2255)
Unix (1304)
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 16876

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

10 22514

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

9 13656

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

7 14987

How do you log in to a remote Unix box?

2 8232

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

5 10493

What is a filesystem?

3 6808

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

6 12893

in UNIX,How to copy file into directory?

5 11457

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

10 21556

What is the difference between internal and external commands?

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

13 80656

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

Wipro,

3 29145

What is the difference between home directory and working directory?

Accenture, Flexi,

10 27776

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

3 8064

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

2 8688

Un-Answered Questions { Operating Systems }

How can we reverse a singly linked list?

1101

How do you represent a linked list?

963

Explain LILO?

1002

How do I fix msvcp120 dll in windows 7?

919

What does chmod 644 do?

1074

What programs should run at startup windows 10?

956

What's a command word?

1254

How do I fix high cpu usage?

965

How can we open .exe file?

1005

Can hashmap store null values?

959

Can you use dism on windows 7?

935

What is pipe in unix example?

1029

Are there viruses on linux?

863

Differentiate between hashmap and hashtable.

1179

Why do we use windows explorer?

975

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