Unix Interview Questions
Questions Answers Views Company eMail

Assume that a file’s permissions give you read and write access. What operations can you perform on the file if it is in a directory which has “r”(read) only process? What operations can you perform on the file if it is in a directory which has “x”(execute) only access?

1 5962

When the shell is reading the command line what is the difference between text enclosed between double quotes ( ” ) and text enclosed between signal quotes ( ’ )?

3 7479

The rm command removes links to file. What does this mean? How then is a file deleted from the file system?

5 10647

Assume the following files are in the working directory prompt> ls -l tasks -rw-r--r-- 1 alex student 1423 Feb 21 14:01 tasks What command can Alex use to give everyone permission to write to the file? What will the ls -l command display if he does so?

Infosys,

10 13867

tell me similarities between thread and process

Tanla Solutions,

4 32900

what is mean by kernal?

Excel,

9 11367

describe the escaping sequence characteres in unix

1 7437

System A can contact system B, but not in reverse, not firewall, not tcp wrappers, what is the reason ?

2 3890

Write a grep (or grep) command that selects the lines from a file that have exactly three characters.

Mac, Nokia,

24 35612

What is an Environment Variable?

CTS,

4 10724

If Media Server fails. What are the steps to be followed? Can anyone please reply for this question Thanks, Ganesh

HCL, IBM,

2681

What is file constructing in UNIX/AIX ?

IBM, TCS,

2 7358

How to find the version details of unix? if any application is installed in unix OS how to find the version of that application is it possilbe or not? pls let me know cmd in detail.

HCL,

5 11208

what is the use of ls -l command & what is the information it gives about user ?

5 8801

What is mean by Mac os? Why it is named as like that? Which purprose it is using? Please answer me. Advance thanks.

Excel, GeniusPort,

2 7954


Un-Answered Questions { Unix }

What are the commands in UNIX to list the files in a Directory?

725


Explain how to use grep command to list find the records of a file containing 10 different strings?

721


What is unix pattern?

613


Explain how to work unix commands on windows xp without installing unix o/s in pc?

600


What is the behavioural difference between cmp and diff commands?

778






Is unix cli or gui?

582


How do I search for a file in unix command?

670


How to create files in unix?

641


Describe the term inode?

738


What's the difference between impact sockets and regular sockets?

565


Name the different file types available with unix.

623


How is a socket created?

621


What is the full form of unix?

556


How does the system know where one command ends and another begins?

1734


Where unix is used today?

607