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    hot unix command Job Interview Questions And Answers


    Why don't preparation your interviews. Best and top asking questions unix command questions and answers. Prepare your job unix command interview with us. Most frequently asked questions in unix command interview. Top 10 most common unix command interview questions and answer to ask. unix command most popular interview question for fresher and experiences. We have good collection of unix command job interview questions and answers. Ask interview questions and answers mnc company.employee ,fresher and student. unix command technical questions asking in interview. Complete placement preparation for major companies tests and unix command interviews,Aptitude questions and answers, technical, interview tips, practice tests, assessment tests and general knowledge questions and answers.

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    hot unix command FAQ unix command Interview Questions and Answers for Experiences and Freshers.


    Write command to list all the links from a directory?

    In this UNIX command interview questions interviewer is generally checking whether user knows basic use of "ls" "grep" and regular expression etc
    You can write command like:
    ls -lrt | grep "^l"

    unix command   jayvik 2014-03-30 06:56:44

    Create a read-only file in your home directory?

    This is a simple UNIX command interview questions where you need to create a file and change its parameter to read-only by using chmod command you can also change your umask to create read only file.
    touch file
    chmod 400 file
    read more about file and directory permission in unix and linux here.

    unix command   jayvik 2014-03-30 06:57:12

    How will you find which operating system your system is running on in UNIX?

    By using command "uname -a" in UNIX

    unix command   jayvik 2014-03-30 06:57:37

    How will you run a process in background? How will you bring that into foreground and how will you kill that process?

    For running a process in background use "&" in command line. For bringing it back in foreground use command "fg jobid" and for getting job id you use command "jobs", for killing that process find PID and use kill -9 PID command. This is indeed a good Unix Command interview questions because many of programmer not familiar with background process in UNIX.

    unix command   jayvik 2014-03-30 06:59:22

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

    You can check these by using either ping or telnet command in UNIX. This question is most asked in various Unix command Interview because its most basic networking test anybody wants to do it.

    unix command   jayvik 2014-03-30 06:59:49

    How do you see command line history in UNIX?

    Very useful indeed, use history command along with grep command in unix to find any relevant command you have already executed. Purpose of this Unix Command Interview Questions is probably to check how familiar candidate is from available tools in UNIX operation system.

    unix command   jayvik 2014-03-30 07:00:16

    How do you copy file from one host to other?

    Many options but you can say by using "scp" command. You can also use rsync command to answer this UNIX interview question or even sftp would be ok.

    unix command   jayvik 2014-03-30 07:00:40

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

    By using "top" command in UNIX, there could be multiple follow-up UNIX command interview questions based upon response of this because “TOP” command has various interactive options to sort result based upon various parameter.

    unix command   jayvik 2014-03-30 07:01:07

    How do you check how much space left in current drive ?

    By using "df" command in UNIX. For example "df -h ." will list how full your current drive is. This is part of anyone day to day activity so I think this Unix Interview question will be to check anyone who claims to working in UNIX but not really working on it.

    unix command   jayvik 2014-03-30 07:01:36

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

    UNIX interview questions answers, UNIX Linux questionsThis is indeed a good Unix Interview Command Question and I have faced this issue while ago where one culprit process was not visible by execute ps –ef command and we are wondering which process is holding the file.
    ps -ef will omit process with very long command line while ps -auxwww will list those process as well.

    unix command   jayvik 2014-03-30 07:03:39

    How do you find how many cpu are in your system and there details?

    By looking into file /etc/cpuinfo for example you can use below command:
    cat /proc/cpuinfo

    unix command   jayvik 2014-03-30 07:04:05

    What is difference between HardLink and SoftLink in UNIX?

    please write correct answer.anyone know this answer tell me correct answers.

    unix command   jayvik 2014-03-30 07:05:43

    What is "chmod" command? What do you understand by this line “r-- -w- --x?

    chmod command change file permission. give a right permission.

    r-- command read only permission
    -w- command give wirte only permission
    --x command give a read and wirte both permission.

    unix command   jayvik 2014-03-30 07:08:30

    In a file word UNIX is appearing many times? How will you count number?

    grep -c "Unix" filename

    unix command   jayvik 2014-03-30 07:09:44

    What is the difference between Swapping and Paging?

    Swapping:
    Whole process is moved from the swap device to the main memory for execution. Process size must be less than or equal to the available main memory. It is easier to implementation and overhead to the system. Swapping systems does not handle the memory more flexibly as compared to the paging systems.
    Paging:
    Only the required memory pages are moved to main memory from the swap device for execution. Process size does not matter. Gives the concept of the virtual memory. It provides greater flexibility in mapping the virtual address space into the physical memory of the machine. Allows more number of processes to fit in the main memory simultaneously. Allows the greater process size than the available physical memory. Demand paging systems handle the memory more flexibly.

    unix command   jayvik 2014-03-30 07:02:09

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

    When a program forks and the child finishes before the parent, the kernel still keeps some of its information about the child in case the parent might need it - for example, the parent may need to check the child's exit status. To be able to get this information, the parent calls 'wait()'; In the interval between the child terminating and the parent calling 'wait()', the child is said to be a 'zombie' (If you do 'ps', the child will have a 'Z' in its status field to indicate this.)
    Zombie : The process is dead but have not been removed from the process table.

    unix command   jayvik 2014-03-30 07:06:06

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

    By using export   for example export count=1 will be available on all sub shell.

    unix command   jayvik 2014-03-30 07:10:45

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

    By using telnet command for example “telnet hostname port”, if it able to successfully connect then some process is listening on that port. To read more about telnet read networking command in UNIX

    unix command   jayvik 2014-03-30 07:11:11

    How do you find whether your system is 32 bit or 64 bit ?

    Either by using "uname -a" command or by using "arch" command.

    unix command   jayvik 2014-03-30 07:11:38

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

    By using lsof command in UNIX. It wills list down PID of all the process which is using a particular file.

    unix command   jayvik 2014-03-30 07:12:33



    hot unix command questions and answers for experienced


    unix command best Interview Questions have been designed especially to get you acquainted with the nature of questions you may encounter during your interview for the subject of unix command Programming Language. here some questions that helpful for your interview. unix command 2024 job interview questions with answers. unix command for employee and fresher. Here we present some more challenging practice unix command interview questions and answers that were asked in a real interview for a unix command developer position. These questions are really good to not just test your unix command skills, but also your general development knowledge. unix command programming learning. we hope this unix command interview questions and answers would be useful for quick glance before going for any unix command job interview.