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

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 8193

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

1 3620

can we open pdf files in suse?

Intel, jetking,

3 7425

How to add a tape deck on Sun Solaris version 10

2 5188

Why did you leave your last job?

IBM,

2 5304

What experience do you have in this field?

1 3675

Differences between Home and Professional Editions

2 4969

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

Perot Systems,

1 4929

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

1 2169

What is difference between ext3 and ext4 file-system ?

TCS,

3 21584

what is major concerns about any RTOS selection ?

Bosch,

4 15707

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

2 12920

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

NetApp,

2 10618

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

NetApp,

2 9919

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

NetApp,

3 12182

Un-Answered Questions { Operating Systems }

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 sort of serious problems have you experienced, and how have you handled them?

1020

Draw a binary Tree for the expression : A * B - (C + D) * (P / Q)

1491

What is the latest android operating system?

1066

Are you in or at the office?

1193

How to take backup using active directory recyclebin concept

2330

How do I add a google account to windows 10?

908

What is the latest version of google browser?

1201

What is the latest version of linux?

1019

What is the current version of windows 10?

940

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

1202

What is the most powerful processor?

1075

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

When will the next windows os come out?

885

How much does a copy of windows 10 cost?

892

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