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Unix Commands Interview Questions
Questions Answers Views Company eMail

describe the escaping sequence characteres in unix

 1 7263

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

Mac, Nokia,

24 33178

What is an Environment Variable?

CTS,

4 10261

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

 5 8252

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

 4 15184

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

Informatica,

3 10520

Which RAID Levels supported by LVM?

5 11057

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

 5 7246

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

TCS,

12 19394

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

NIIT,

2 6126

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

 6 9156

how many internal commands is there in UNIX?

TCS, Virtusa,

3 15152

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 10860

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 29284

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 22316

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Un-Answered Questions { Unix Commands }

What are awk commands?

568

What is {} in find command?

567

How does pipe () work?

579

What is a command and examples?

566

How can you see the command line history?

571




What does this command do? Cat food 1 > kitty

965

Why is awk called awk?

569

Give the command for finding the current date.

569

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:

1743

What is the use of finger command?

583

What is the difference between awk and grep?

551

What does awk stand for?

593

What are filter commands in unix?

541

What is the comma to show the space allocation of files?

545

What difference between cmp and diff commands?

706

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