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

Pls explain the raids in solaris??

1 5465

1. User gaves df -h and the system get hanged. why ? 2. what is the hardlink and softlink mount ? 3. why is portmape should be started ? 4. what is nologin option 5. how to restrict users from accessing nfs ? 6. what is the difference between cpio and tar 7. what are the kernel parameters ? how to find out it ? 8. why we use sysctl.conf ? 9. if we gives init1 from multiuser runlevel, will it affect other users who already logged in to the system ? 10. what will be the available space to use after configuering raid5 with 5 disks each having 5gb spce ?

Oracle,

2779

what is kernel parameters? where its located and how would you find it ?

Oracle,

1 7692

what is kernel panic error ? how will you fix it if you have face it after rebooting without the the help of rescue disk ?

Oracle,

2 10430

what is the difference between solaris8 and solaris9 and solaris10

IBM,

5342

What is the command to check ports active in UNIX?

Accenture, IBM,

4 13552

what these two commands prints "echo test","cat test"?

TCS, Wipro,

6 16469

What is the version of Active directory?

TCS,

2 7279

what is capability and capability based system?

3116

how to find out shared file&dir of FTP ? is there any command for find out are any other way we have? tell me with example?

IBM, NTA, Wipro,

3 7857

how to kernel protected memory?

2370

How to give root privileges without using SU/sudor ?

1 6069

what is difference between milestone and run-levels in Solaris ?

3093

How to Create NIS Server And NIS Client? Explain With Example?

Cisco,

1 6351

How is the difference between ftp and sftp ? and explain how to create ftp server and sftp server with example ?

Bank Of America, IBM,

2 14846

Un-Answered Questions { Operating Systems }

Define an equivalence relation?

1084

State and explain about features of UNIX?

1055

How do I disable werfault exe in windows 7?

923

Why context switching is faster in threads?

825

Does arch linux have a gui?

834

What is $@ in makefile?

979

What is ipc message?

962

Can I still get windows 10 free 2019?

777

Define hash table?

969

How do you permanently erase data so that it cannot be recovered?

955

What is the difference between the hash table and hash map?

999

Explain in brief a linked list.

958

Explain quick sort?

953

How do I know if I have a 64 bit processor?

1005

What is the difference between ram and cache memory?

991

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