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 36301

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 25159

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

TCS,

2 6266

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 6187

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

IBM, Microsoft,

2 10117

what is the process id for kernel process?

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

8 28284

How do you use Unix for Backend Testing ?

Wipro,

1 9399

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 8014

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

Arihant,

5 22135

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

2 6384

Why do inode number start from 1 and not 0 ?

3 13881

what is ls -ltd?

HCL,

5 15880

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

10 14941

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

HCL, TCS,

1 7943

Un-Answered Questions { Unix }

What is $path in unix?

978

Explain what are the system calls used for process management?

958

What does af mean in sockets?

925

What does the md command do?

1147

Which mode executes the fault handler?

1053

What is Thread dump in unix?

1006

What pieces of information make up a socket?

957

What are the components of unix kernel?

1047

what is wrong with this interactive shell script?

982

What is difference between grep and find command in unix?

1217

Can you enlist some commonly used network commands?

1121

What is ant_build.sh? Have u seen that file?

2329

What is .sh file?

1193

Explain different types of Unix systems.

961

Which command is used to kill the last background job?

1337

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