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Unix Commands Interview Questions
Questions Answers Views Company eMail

what is ls -ltd?

HCL,

5 14664

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

 10 13480

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

HCL, TCS,

1 7363

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 8337

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

IBM,

12 21443

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

Polaris,

11 19542

what is the difference between KILL and KILL -9?

Informatica, Nutanix,

5 27240

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

IBM,

4 35937

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

IBM,

12 22724

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

 3 7232

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

 2115

when we installing aix os the ssh installed default?

 2 4968

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

Vestas,

6 9768

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

PSI Data Systems,

8 23619

How to check the flavor of UNIX?

HCL, Syntel,

8 25161

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Un-Answered Questions { Unix Commands }

What is nr in awk command?

788

What is the use of find command in unix?

766

Name the unix command to find how many days the server has been up.

862

Give the command for finding the current date.

767

How do I open a port?

774

What is awk command used for?

785

What's a command word?

802

How can you see the command line history?

827

What is the functionality of a top command?

834

What is the command to find hidden files in the current directory?

838

What does touch command do in unix?

983

Using unix command how to display no of records in oracle?

836

Does cp command overwrite files?

830

What does #!/ Bin sh do?

768

What do chmod, chown, chgrp commands do?

897

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