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

fork()?

TCS,

2 8270

API used to hide window

Microsoft, TCS, Wipro,

2 9150

what are Prerequisites to Install Active Directory in windows 2000 server?

ISL,

3 6804

what is the name os the first os and tell me the year when it was discovered

Qiscet,

1 3943

How do you list the files in an UNIX directory while also showing hidden files?

4 8397

How do you execute a UNIX command in the background?

2 6661

What UNIX command will control the default file permissions when files are created?

3 12422

Explain the read, write, and execute permissions on a UNIX directory.

1 4556

What is the difference between a soft link and a hard link?

1 5510

Give the command to display space usage on the UNIX file system.

6 10201

Explain iostat, vmstat and netstat.

2 9576

How would you change all occurrences of a value using VI?

1 6180

Give two UNIX kernel parameters that effect an Oracle install

1 5129

what is the command to list files in a directory in UNIX?

8 12340

what is the command to list all files in a directory, including the hidden files in UNIX ?

CTS,

9 16989

Un-Answered Questions { Operating Systems }

Define primary data structures?

920

Write is a binary search tree? Write an algorithm and tell complexity?

861

What are the different types of kernel?

994

What are AVL trees?

992

What are arrays give example?

854

Explain the advantage of executing a process in background?

872

How to delete bad sectors in windows xp, vista and 7?

722

Which processor structure is pipelined?

836

What resources are used when a thread created? How do they differ from those when a process is created?

955

What is busy waiting in windows operating system?

809

Give a brief description of the following terms: a) Play head b) Symbol c) Tweening d) ActionScript e) Frame rate f) Library panel g) Masking h) Context – sensitive Property Inspector i) Bandwidth Profiler j) Frame Label

1890

What are the different operating systems?

993

Name the key features of the bourne shell.

852

What's the difference between program files and program files x86?

788

Given an unsorted linked list, and without using a temporary buffer, write a method that will delete any duplicates from the linked list?

969

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