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

In my linux machine, i lost /etc/passwd file and /etc/shadow file, then how can i recover it?

Google,

5 18346

Difference between swap partition and swap file?

IIHT, TATA, Wipro,

4 22636

How to monitor ports in a linux machine, with single command?

7 14143

What is the status code 403,404 represented in apache server?

2 7346

I want to see how many interfaces(ethernet cards) are working using single command?

8 13001

I want to built a fire wall using iptables. My condition is " inbound to 192.168.0.2 with a port of 80 from 172.168.0.1 should accept"

NetEnrich,

6 13443

I know ssh, telnet, dns,apache all are worked on TCP/UDP but i want to know any one service which are working on UDP only?

Wipro,

10 16589

What is the impact if DNS Server fails?

Mphasis,

2 12579

What is AD/AM in Windows2003?

Accenture, ASD Lab, Mphasis,

1 5823

I just changed the server name, then onwards the Volume manager is not loading. Please tell me what might be the reason?

Wipro,

2 6986

Q. If we transfer 100 files by ftp to remote server, how to know the files are successfully transfer or some file are not transferred ?

IBM, IMB,

6 14909

how to add an user without using "useradd" command in solaris10?

HCL, HP,

4 10453

how many default groups are there in solaris10?what are they?

HP, Patni,

5 9936

Write a code to connect Hardware interrupt to ISR...?

iNet, Wipro,

1 9960

How to set dedicated IP in Zoning ?

Accel,

2 7613

Un-Answered Questions { Operating Systems }

How much does it cost for a copy of windows 10?

863

How much does a copy of windows 10 cost?

892

What is the latest linux kernel?

1023

How much does a windows 10 license cost?

925

can any one know about NIC (National Informatics Centre) questions Patterns and full detail about written exam, and interview send to softshikha2005@yahoo.com.in Thank you

2140

How do I search for files containing specific text in linux?

817

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

2105

what is gr-edge edit?

2217

What is the latest android operating system?

1065

What does it cost to upgrade to windows 10?

917

For the following COBOL code, draw the Binary tree? 01 STUDENT_REC. 02 NAME. 03 FIRST_NAME PIC X(10). 03 LAST_NAME PIC X(10). 02 YEAR_OF_STUDY. 03 FIRST_SEM PIC XX. 03 SECOND_SEM PIC XX.

1385

What is the most powerful processor?

1075

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

1273

What is the latest version of microsoft edge for windows 10?

894

What are the differences between FTP , NFS , SAMBA servers explain separately.

1326

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