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

Unix Commands Interview Questions

Questions Answers Views Company eMail

describe the escaping sequence characteres in unix

1 7569

Write a grep (or grep) command that selects the lines from a file that have exactly three characters.

Mac, Nokia,

24 36792

What is an Environment Variable?

CTS,

4 10975

what is the use of ls -l command & what is the information it gives about user ?

5 9086

why unix operating system provides more security than other operating systems?

4 16083

why unix commands can be divided into internal and external commands?

Informatica,

3 11087

Which RAID Levels supported by LVM?

5 11973

Where can I get the free download of Unix by Yeswant Kanetkar?

5 7966

can we use cat command as an editor ..???

TCS,

12 20965

How can we "forked" process in UNIX? How then recognize in any of the branches we?

NIIT,

2 6559

How does one process we can start an executable file? How to get the PID process, which we started?

6 10198

how many internal commands is there in UNIX?

TCS, Virtusa,

3 15866

How to set sticky bit, or it have any seperate directory to create sticky bit in sunfir servers. Please help me , i don't no the exact answer?

HCL, Wipro,

4 11596

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 32578

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 23596

Post New Unix Commands Questions

Un-Answered Questions { Unix Commands }

How can you see the command line history?

826

What is the comma to display different lines that are found when compare two files?

793

What is the significance of the 'tee' command?

824

What does the metacharacter mean?

807

Describe the usage and functionality of the command rm –r * in unix?

1477

What is the use of tee command?

766

What are the general commands in using unix os for a beginner?

810

What does awk stand for?

796

What are the unix commands?

751

What is the command to view process running?

805

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)?

1196

What is the use of awk command in unix?

767

Who command in unix operating system?

860

What is the first character of the output in ls l command?

868

When i run a programm of orphan process. Instead of getting child's parent (ppid)=1 ..i get 1400 and it varies as per system. How can i findthe right soluion??? My pgm: #include # include int main() { int pid; pid=fork(); if(pid < 0) {exit(-1);} else if(pid==0) { printf("Child Process is Sleeping ..."); sleep(10); printf("Orphan Child's Parent ID : %u ",getppid()); } else { printf("Parent Process Completed ... %u ",getpid()); exit(0); } return 0; } Output:

1974

For More Un-Answered { Unix Commands } Questions Click Here