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 impact of signed numbers on the memory?

1 992

Why do we Use a Multidimensional Array?

1 955

What is ‘ps’ command for?

1 1247

What is the significance of the 'tee' command?

1 1267

What does the command ' $who | sort –logfile > newfile' do?

1 1337

What does the command '$ls | wc –l > file1' do?

1 1306

How is the command '$cat file2 ' different from '$cat >file2 and >> redirection operators ?

1 1373

Explain the steps that a shell follows while processing a command.

1 1292

What difference between cmp and diff commands?

1 1356

What is the difference between cat and more command?

1 1378

Write a command to kill the last background job?

1 1168

Which command is used to delete all files in the current directory and all its sub-directories?

1 1329

Write a command to display a file’s contents in various formats?

1 1263

What will the following command do?

1 1182

What is the use of the command 'ls -x chapter[1-5]' ?

1 1278

Un-Answered Questions { Operating Systems }

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

856

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

1315

How much does a copy of windows 10 cost?

888

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

1479

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

963

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

2224

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

813

What is the latest version of linux?

1010

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

1266

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

1024

How much does a windows 10 license cost?

918

How do I add a google account to windows 10?

901

What is the latest android operating system?

1061

What is the most powerful processor?

1072

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

1190

For More Un-Answered { Operating Systems } Questions Click Here