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

ndd -get /dev/hme0 link-mode

Satyam, Wipro,

3 7250

solaris booting process.

HCL, Satyam, Wipro,

4 10455

what are bootloaders in solaris booting? bootblk, ufsboot

Satyam, Wipro,

3 11559

what are the daemons running In NIS? how to do u create NIS users and update Maps?

Satyam, Wipro,

5 13997

what is multihomed system?

Satyam, Wipro,

2 7013

What is the difference between semaphore and spinlock?

1 6682

what is the advantages of using Windows XP?

CTS,

6 12205

Tell me the 5 differences between Linux and Unix?

4 10730

What is the difference between RedHat linux and Fedora and Ubuntu?

CSC,

3 14543

What is 2 tier and 3 tier?

2 4265

1) What is an Virtual memory? 2) How do we test API's in both Windows/Linux/Unix? 3) What is an IOCTL? 4) How do you open a char device through API's? 5) What is major num/ minor num? 6) What is the max num for minor num? 7) Who gives you the major / minor numbers? 8) Reverse a string using recursive func. 9) fork/vfork/clone. 10) What does fork returns? 11) What is a zombie process? 12) What happens when a child completes before parent tries to wait for it? 13) Interrupt handlers, top-hdnl....?

TCS, Wipro,

1 2539

hi in our system not conected to sharing any folders why ? can u pls xplain

HCL,

10 15269

can we use cat command as an editor ..???

TCS,

12 24371

Explain the more details of vmstat output?

IBM,

2 10254

whenever you are creating a new user (while creating user every time) file /etc/passwd file inode number will be changed why????

Accel,

1 6495

Un-Answered Questions { Operating Systems }

can any one send me one project on linux ...?

2848

what's the latest ram lunch?

2720

When will the next windows os come out?

885

Can anybody send me Excel tips and improtant formul...... please.

2105

“int a[] = new int[3]{1, 2, 3}” – This a legal way of defining the arrays?

1275

Are you in or at the office?

1194

How to take backup using active directory recyclebin concept

2331

What items of information about a task might be useful in real time scheduling?

4548

What is the latest windows operating system?

1046

What is the latest version of linux?

1019

what is gr-edge edit?

2217

Can you declare an array without assigning the size of an array?

1204

What is the latest linux kernel?

1023

Write a program for Sorting an Array. Which sorting will you prefer?

1038

How can you edit a large file without opening it in unix?

974

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