Most answered questions under tag unix

+2 votes

4 answers

What is the difference between Linux and UNIX operating systems?

posted Jan 22, 2014 by anonymous

+6 votes

3 answers

Is there any way to kill the process which went to uninterruptible sleep (D) state??

posted Feb 7, 2014 by Gurpreet Singh Matharoo

0 votes

2 answers

How do you find which process is taking how much CPU?

posted Apr 12, 2016 by Jayshree

+3 votes

2 answers

How to Disable the sendmail Daemon?

posted Feb 11, 2016 by Atindra Kumar Nath

+1 vote

2 answers

What is BSS(Block Started by Symbol) in Unix based operating system?

posted Jan 13, 2016 by Jayshree

+2 votes

2 answers

What is the difference between Swapping and Paging?

posted Jul 27, 2015 by Mohammed Hussain

+4 votes

2 answers

Is there a way to dump the complete stack trace after normal execution of the binary?

posted Jul 8, 2015 by Ankush Surelia

+2 votes

2 answers

How to remove blank lines from a file using shell script or unix command?

posted Jun 8, 2015 by Amit Kumar Pandey

+1 vote

2 answers

Can a Linux Binary Run On Windows Machine?

posted Mar 10, 2015 by Chirag Gangdev

+4 votes

2 answers

How to disable firewall in a linux system ?

posted Feb 17, 2015 by Vikram Singh

+2 votes

2 answers

How to edit file in Unix or Linux?

posted Jan 5, 2015 by Vidhya Sagar

+1 vote

2 answers

How to read file in Unix?

posted Jan 5, 2015 by Vidhya Sagar

+1 vote

2 answers

How we can create a zombie process?

posted Jun 21, 2014 by Amit Kumar Pandey

0 votes

1 answer

Write a unix command to display the every character in the word "QUERYHOME" in new line.

posted Jun 29, 2016 by anonymous

+2 votes

1 answer

Who co-created the UNIX operating system in 1969 with Dennis Ritchie?

posted Jun 13, 2016 by Kavana Gowda

0 votes

1 answer

How do you know if a remote host is alive or not?

posted Apr 12, 2016 by Jayshree

+1 vote

1 answer

What are ways to debug a shell script problem, examples would be helpful?

posted Feb 27, 2016 by Mohammed Hussain

+1 vote

1 answer

What are steps that a UNIX shell follows while processing a command?

posted Feb 27, 2016 by Mohammed Hussain

0 votes

1 answer

Which data structure is used to maintain file identification in Linux/Unix based system and what are its contents?

posted Feb 27, 2016 by Mohammed Hussain

+2 votes

1 answer

IPV6 address validation using shell script

posted Feb 6, 2016 by anonymous

+6 votes

1 answer

How to disable Ctrl+Q for all applications in Linux?

posted Feb 5, 2016 by Sunita

0 votes

1 answer

How to compress files in UNIX and what are the commands are used to Compress?

posted Feb 4, 2016 by Mohammed Hussain

+1 vote

1 answer

What is the difference between grep and find commands?

posted Feb 3, 2016 by Mohammed Hussain

0 votes

1 answer

If a file has permissions 000, then who can access the file?

posted Feb 3, 2016 by Mohammed Hussain

0 votes

1 answer

What is ephemeral port in UNIX?

posted Jan 25, 2016 by Jayshree

0 votes

1 answer

What is Zombie process in UNIX? How do you find Zombie process in UNIX?

posted Jan 25, 2016 by Jayshree

0 votes

1 answer

How the Kernel handles both the page stealer and the fault handler?

posted Jan 22, 2016 by Sathaybama

0 votes

1 answer

In what way the protection fault handler concludes?

posted Jan 22, 2016 by Sathaybama

0 votes

1 answer

For which kind of fault the page is checked first?

posted Jan 20, 2016 by Latha

0 votes

1 answer

What are states that the page can be in, after causing a page fault?

posted Jan 20, 2016 by Latha

0 votes

1 answer

What is validity fault?

posted Jan 20, 2016 by Latha

0 votes

1 answer

What is the difference between the fork() and vfork() system call?

posted Jan 13, 2016 by Jayshree

0 votes

1 answer

What are data structures that are used for Demand Paging?

posted Jan 13, 2016 by Jayshree

0 votes

1 answer

What do you mean by u-area (user area) or u-block?

posted Jan 12, 2016 by Sathaybama

0 votes

1 answer

What do you mean by nice value?

posted Jan 12, 2016 by Sathaybama

0 votes

1 answer

What are the requirements for a swapper to work?

posted Jan 12, 2016 by Sathaybama

+2 votes

1 answer

What types of processes are not bothered by the swapper in Linux/Unix and why?

posted Jan 11, 2016 by Jayshree

0 votes

1 answer

What is Expansion swap in Unix/Linux?

posted Jan 11, 2016 by Jayshree

0 votes

1 answer

What is Fork swap in Unix/Linux?

posted Jan 11, 2016 by Jayshree

0 votes

1 answer

Is the Process before and after the swap are the same? Give reason.

posted Jan 9, 2016 by Sathyasree

0 votes

1 answer

What are the events done by the Kernel after a process is being swapped out from the main memory?

posted Jan 9, 2016 by Sathyasree

0 votes

1 answer

What is a Map?

posted Jan 9, 2016 by Sathyasree

+1 vote

1 answer

What does the swapping system do if it identifies the illegal page for swapping?

posted Jan 6, 2016 by Mohammed Hussain

+1 vote

1 answer

How do you create special files like named pipes and device files?

posted Jan 4, 2016 by Mohammed Hussain

+3 votes

1 answer

How the Kernel handles the copy on write bit of a page, when the bit is set?

posted Jan 4, 2016 by Mohammed Hussain

+2 votes

1 answer

What is nohup in UNIX?

posted Dec 14, 2015 by Mohammed Hussain

+1 vote

1 answer

How do you find which processes are using a particular file?

posted Dec 14, 2015 by Mohammed Hussain

+3 votes

1 answer

How do you set environment variable which will be accessible form sub shell?

posted Dec 14, 2015 by Mohammed Hussain

+1 vote

1 answer

How will a parent process know that a child is dead?

posted Nov 30, 2015 by Kali Mishra

+2 votes

1 answer

Linux : Command to get list of files with zero bytes and remove them in one shot ?

posted Nov 30, 2015 by Vikram Singh