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

What is the difference between ext2 vs ext3 vs ext4?

1 1041

What are the default port numbers used by ssh,ftp,http,https,telnet,smtp,pop3,pop3s,imap,imaps?

1 1061

How can we recover a file that was deleted in linux?

1 889

Explain about dns table?

1 965

What are the contents in /usr/local?

1 961

What is the difference between cron and anacron?

2 1195

What utility do we have to use for a log to rotate automatically?

1 953

How do you terminate an ongoing process?

1 1259

What do we use for managing hash table collisions?

1 901

What type of file server do we have on a linux server?

1 1011

What is the path of network (ethx) configuration files

1 1036

which file needs to update if srequired to change default runlevel 5 to 3?

1 1605

What is inode number?

1 1016

Which is the recommended size for the swap space partition?

1 1007

How can we check disk/device status/failure/errors using smartctl utility?

1 1059

Un-Answered Questions { Operating Systems }

What does it cost to upgrade to windows 10?

910

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

1016

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

2834

Are you in or at the office?

1184

What is the command for cut?

1021

When will the next windows os come out?

879

what is gr-edge edit?

2208

What is the latest android operating system?

1061

What is the latest linux kernel?

1018

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.

1372

How much does a copy of windows 10 cost?

888

what's the latest ram lunch?

2715

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

964

1.Have you used vxboot ? 2.Minimum requirement for mirror volume to created ?

2224

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

1024

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