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

Unix Interview Questions

Questions Answers Views Company eMail

if we create a file, in that 10 rows(means 1,2,....9,10 like). i want 7 row exactly, which command use in unix? plz send this question.

TCS,

28 36127

Hi All, Can you please let me know how to grep for a particular pattern in unix. I want to print the dates from the file exp.txt. the date pattern is DD:MM:YYYY, I just want to print all the dates from the file exp.txt.

Concentrix, IBM, Symantec, TCS,

8 25084

how to edit the network interface device type in container(zone) in solaris 10?

TCS,

2 6241

What is the procedure to configure MC/SG Cluster services in HP-UX 11i v3 OS Environment?

IBM,

5891

What is Quorum Group? and Quorum Disk?

IBM,

1 6176

What is procedure to configure Mirror rootvg in HP-UX?

IBM, Microsoft,

2 10096

what is the process id for kernel process?

IBM, ITI, Military Engineer Services, Remo, TATA,

8 28246

How do you use Unix for Backend Testing ?

Wipro,

1 9381

1)How to schedule a job,that will periodically execute in second by crontab? 2)I know only second specific time to execute the job. like 10 10 * * * sleep 40&&ps -l>/dev/pts/1 It will execute at 10:10:40 AM but do not know how to execute 15 second,30 second so on at 10:10 am.

Qwest,

3 7998

c program to implement the unix or linux command to implement ls -l >output.txt

Arihant,

5 22089

What is the difference between a shell variable that is exported and the one that is not exported?

2 6357

Why do inode number start from 1 and not 0 ?

3 13856

what is ls -ltd?

HCL,

5 15844

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

10 14885

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

HCL, TCS,

1 7929

Un-Answered Questions { Unix }

Write a command to kill the last background job?

1098

What is unix environment?

935

What is sed awk grep?

1129

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)?

1565

Explain similarities between thread and process?

974

I have one flat file,in this file how many columns are there i don't know,but one ename column is there , just i want to cut the surname, so how to cut the surname, any one know the answer please guide me ? ename ----- tapan kumar nayak bala murugan kutal chkrobarthy biswo My output is like that OUTPUT ------ nayak murugan chakrobarthy biswo

3483

How do I show hidden files in unix?

898

What are the requirements for a swapper to work?

1039

What are the main features of unix?

1513

What is the symbol in unix?

918

Is unix free?

922

Write a script that prints out date information in this order: time, the day of week, day number, month, year(sample output: 17:34:51 pdt sun 12 feb 2012)

1214

How does pipe () work?

1088

how to sort the content of the file based on numeric values

1776

What is unix mtime?

933

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