Unix Commands Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Unix Commands Interview Questions

Questions Answers Views Company eMail

what is ls -ltd?

HCL,

5 15878

what is the command to print last 8 lines of any text file.

10 14930

How to install scsi driver in unix? give me explanation clearly?

HCL, TCS,

1 7943

Sorry to all Technical person for mistake of Question. Now i am post currect question Why copied file permission is changed in destination. When i give all permission i.e 777 to file and copy that to other location in destination the permission is 755. But if give permission 555 in destination that file permission is 555 and if give permission 444 to file after copy in destination the file permission is 444. These all are happening in normal user. How the umask value is calculate here really i am not understand. Please write the proper answer. Thanks in Advance

TCS,

3 9035

How i'll delete a particular line from the file? Please give answer as soon as possible. Thanks in advance.

IBM,

12 23510

How to display a file name which has zero bytes in size.

Polaris,

11 21511

what is the difference between KILL and KILL -9?

Informatica, Nutanix,

5 28623

what is the difference between SED and GREP ? Which one is more better and why?

IBM,

4 36915

how to find the 51th record of a file containing 100 records in unix.

IBM,

12 24923

If JFS file system is 100% full how we can increase the file system ?

3 8043

What is shrinking file system in AIX where it actually resides?

2435

when we installing aix os the ssh installed default?

2 5471

Where LOG fiels resides in AIX and pls tel me how to remove the log file

Vestas,

6 10987

write grep commands to select the lines that have exactly two characters

PSI Data Systems,

8 25157

How to check the flavor of UNIX?

HCL, Syntel,

8 26701

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Un-Answered Questions { Unix Commands }

Write a command that will find all text files in a directory such that it does not contain the word "amazing" in any form (that is, it must include the words amazing, amazing, or amazing)?

1572

What is merge command in unix?

1514

How do I search for text in vi?

1048

What is $0 bash?

1207

What does 'mkdir' command do in UNIX?

1314

What is nr in awk command?

1210

What are file commands?

1234

How do you grep a case insensitive?

1052

What is the first character of the output in ls l command?

1216

What are the unix commands?

1099

How to display no of records in oracle using unix command?

1174

What is the use of awk command in unix?

1136

Is it inbetween or in between?

1062

What is the difference between cat command and more command?

1211

How do I delete files from command prompt?

1227

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