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 35383

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 24794

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

TCS,

2 6135

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

IBM,

5851

What is Quorum Group? and Quorum Disk?

IBM,

1 6087

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

IBM, Microsoft,

2 9964

what is the process id for kernel process?

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

8 27909

How do you use Unix for Backend Testing ?

Wipro,

1 9296

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 7859

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

Arihant,

5 21837

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

2 6243

Why do inode number start from 1 and not 0 ?

3 13715

what is ls -ltd?

HCL,

5 15644

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

10 14633

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

HCL, TCS,

1 7841

Un-Answered Questions { Unix }

What is the root directory in unix?

904

What is a bash command?

1112

Is ios based on unix?

874

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)?

1511

Why is unix better than windows?

879

Is unix cli or gui?

832

. Using sed and grep, write a command which lists files and directories with following properties: (i) created in 1999 (ii) with user's as owner and group

2622

What is the difference between nfs 3 and nfs 4?

1000

What is unix and why it is used?

939

How is unix different from windows?

943

What does pipe () return?

1022

What is standard unix streams ?

989

Suppose I have one column with data smithjohnmichale the o/p should be smith,john, michale how we do in unix?

815

Is learning unix useful?

889

How to move a background job to forward?

868

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