Recent posts under tag unix

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Pattern string

posted Oct 6, 2020 by Madhu L

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I need to find the string separated by | pipe which consists if back slash and remove it using .bat file

posted Oct 22, 2019 by anonymous

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How do you login to MySQL using Unix shell?

posted Mar 27, 2017 by Deepa

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Top 11 operating systems for ethical hackers and security researchers

posted Oct 1, 2016 by Atindra Kumar Nath

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Command to convert from xlsx to csv works in putty but same when given in informatica fails, getting error code 32512?

posted Sep 8, 2016 by anonymous

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

posted Jun 29, 2016 by anonymous

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

posted Jun 13, 2016 by Kavana Gowda

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

posted Apr 12, 2016 by Jayshree

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

posted Apr 12, 2016 by Jayshree

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Search your files in Linux with FIND and LOCATE commands.

posted Mar 3, 2016 by Abhay Dubey

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

posted Feb 27, 2016 by Mohammed Hussain

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

posted Feb 27, 2016 by Mohammed Hussain

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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

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How to Disable the sendmail Daemon?

posted Feb 11, 2016 by Atindra Kumar Nath

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IPV6 address validation using shell script

posted Feb 6, 2016 by anonymous

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

posted Feb 5, 2016 by Sunita

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How to identify with in the script about the count of parameters passed to a given shell script?

posted Feb 4, 2016 by Mohammed Hussain

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

posted Feb 4, 2016 by Mohammed Hussain

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What is the difference between grep and find commands?

posted Feb 3, 2016 by Mohammed Hussain

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

posted Feb 3, 2016 by Mohammed Hussain

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What is ephemeral port in UNIX?

posted Jan 25, 2016 by Jayshree

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

posted Jan 25, 2016 by Jayshree

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

posted Jan 22, 2016 by Sathaybama

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In what way the protection fault handler concludes?

posted Jan 22, 2016 by Sathaybama

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For which kind of fault the page is checked first?

posted Jan 20, 2016 by Latha

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

posted Jan 20, 2016 by Latha

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What is validity fault?

posted Jan 20, 2016 by Latha

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

posted Jan 13, 2016 by Jayshree

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

posted Jan 13, 2016 by Jayshree

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What are data structures that are used for Demand Paging?

posted Jan 13, 2016 by Jayshree

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

posted Jan 12, 2016 by Sathaybama

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What do you mean by nice value?

posted Jan 12, 2016 by Sathaybama

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What are the requirements for a swapper to work?

posted Jan 12, 2016 by Sathaybama

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

posted Jan 11, 2016 by Jayshree

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What is Expansion swap in Unix/Linux?

posted Jan 11, 2016 by Jayshree

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What is Fork swap in Unix/Linux?

posted Jan 11, 2016 by Jayshree

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

posted Jan 9, 2016 by Sathyasree

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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

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What is a Map?

posted Jan 9, 2016 by Sathyasree

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

posted Jan 6, 2016 by Mohammed Hussain

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

posted Jan 4, 2016 by Mohammed Hussain

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

posted Jan 4, 2016 by Mohammed Hussain

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What will happen if one of your web-server or appserver crashs during its execution?

posted Dec 22, 2015 by Mohammed Hussain

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What is nohup in UNIX?

posted Dec 14, 2015 by Mohammed Hussain

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

posted Dec 14, 2015 by Mohammed Hussain

+3 votes

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

posted Dec 14, 2015 by Mohammed Hussain

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

posted Nov 30, 2015 by Kali Mishra

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

posted Nov 30, 2015 by Vikram Singh

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What is difference between ps -ef and ps -auxwww?

posted Nov 2, 2015 by Mohammed Hussain

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How do you check if a particular process is listening on a particular port on remote host?

posted Sep 22, 2015 by Mohammed Hussain