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Unix Interview Questions
Questions Answers Views Company eMail

what is virtual machine?

Infosys,

2 7179

distinguish between physical addresses and logical address?

Infosys,

3 9614

distinguish between multi-tasking,multi-user,multi- processing and time sharing?

Alcatel, Cisco, Infosys, University Exams,

7 30337

what are processor execution levels and priorities?

Infosys,

2 10009

what do you understand by 'unix is a portable os'?

Infosys,

3 9439

what do you understand bythe term 'de-mountable volumes'?

Infosys,

2 7987

How do you copy a directory with many files and folders into another directory?

 2 8796

What is pid?

 4 9279

Suppose 1000 processes are running on the system out of those if you have to show only certain process ids which command will you use?

 5 10909

What is the syntax of grep command and what is its use?

 6 10013

How do you move a process which is running background to foreground?

 9 15267

How do you stop a running process?

 7 14259

What is the procedure of "at" and crontab" commands?

 4 9786

Which command will you use to change the permissions on file?

 7 8720

What is the use of pipes?

 4 8052

Un-Answered Questions { Unix }

What does af mean in sockets?

514

What is the difference between awk and grep?

554

What is the unix command to confirm a remote host is alive or not?

571

What's better 6pt or 12pt sockets?

471

How is unix different from other operating system?

478




What are internal and external commands in unix?

451

What are filter commands in unix?

547

How to make a new directory in unix?

536

Why kernel is known as the heart of unix os?

529

What is the use of egrep command in unix?

620

How to check the date in unix?

535

What are a shell in unix and its types?

492

How would you kill a process?

626

What are the four components of the unix file system?

493

Which command is used to restrict incoming messages?

582

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