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

1)How to schedule a job,that will periodically execute in second by crontab? 2)I know only second specific time to execute the job. like 10 10 * * * sleep 40&&ps -l>/dev/pts/1 It will execute at 10:10:40 AM but do not know how to execute 15 second,30 second so on at 10:10 am.

Qwest,

3 8004

can we open microsoft word document,power point etc. on linux suse version and vise versa? if no how can we convert this?

1 3506

can we open pdf files in suse?

Intel, jetking,

3 7172

How to add a tape deck on Sun Solaris version 10

2 5060

Why did you leave your last job?

IBM,

2 5138

What experience do you have in this field?

1 3575

Differences between Home and Professional Editions

2 4810

1). What are the situation in process is duplicate is linux box.? 2) Give me 5 situation to kill a process?

Perot Systems,

1 4798

Hi All, Can any one post a MS-DOS command/ utility tool, that modifies large size(nGBs) log file into MBs form the begining of log file? I will appreciate if any one give correct answer to this question. Thanks

2078

What is difference between ext3 and ext4 file-system ?

TCS,

3 21388

what is major concerns about any RTOS selection ?

Bosch,

4 15428

what happens when we do insmod & rmmod in Linux Device Drivers ?

2 12746

what kind of information the linux driver modules (.ko ) files has ?

NetApp,

2 10414

what are the different ways the Linux can swich from User Space to Kernel Space & vice-versa ?

NetApp,

2 9775

what is stored in /proc ? what is significance of /proc in linux ?

NetApp,

3 11962

Un-Answered Questions { Operating Systems }

How do I run a repair on windows 10?

944

What is synchronously and asynchronously?

1003

Explain what is the memory wall problem?

1233

What is deadlock example?

880

Is c++ multithreaded?

782

Are 64bit applications faster?

931

Explain about NTFS volume.

Does hashmap allow duplicate keys?

1004

How can we change speed and make full duplex settings for eth0?

924

Will resetting a pc remove a virus?

959

What does isempty() member method determines?

927

Write an algorithm to show various operations on ordered list and arrays

928

How do I run disk cleanup?

911

How do I fix high cpu usage?

917

How do you fix a blue screen?

1003

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