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 36325

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 25163

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

TCS,

2 6269

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

IBM,

5899

What is Quorum Group? and Quorum Disk?

IBM,

1 6188

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

IBM, Microsoft,

2 10121

what is the process id for kernel process?

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

8 28294

How do you use Unix for Backend Testing ?

Wipro,

1 9400

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 8016

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

Arihant,

5 22139

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

2 6387

Why do inode number start from 1 and not 0 ?

3 13882

what is ls -ltd?

HCL,

5 15884

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

10 14950

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

HCL, TCS,

1 7943

Un-Answered Questions { Unix }

Explain similarities between thread and process?

987

What are the layers of unix operating system?

955

Is unix only for supercomputers?

883

how to kernel protected memory?

2377

How do unix sockets work?

861

How to know the ip address of user system?

937

What is unix and shell scripting?

1008

Is unix the first operating system?

938

What's better 6pt or 12pt sockets?

824

What are the entities that are swapped out of the main memory while swapping the process out of the main memory?

1020

Explain what is a fifo?

1008

How to get the n-th field from a Unix command output?

989

Explain what are the system calls used for process management?

958

What command is used to check the current users?

1136

Describe file systems in unix?

1041

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