top 50 Linux interview Questions and Answers

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linux interview questions and answers for experienced 2019


Q. What is command Uninstall package in RHEL Linux Linux?
A. yum remove packagename.

Q. What is command package re-install using YUM without ask Prompt in Linux?
A. yum reinstall packagename -y
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Linux interview Questions and answers

Q. What is the difference between TOP and PS command?
A. Top command gives the dynamic view of the processes are running in the server and generally the dynamic change happens in every 3 second. Whereas PS commands gives the static view of the processes.

Q. Location of Cron file in #linux?
A. /var/spool/cron

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frequent LINUX interview questions and answers top interview Questions and answers

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Q. How to create a file in Linux / Unix?
A. There are multiple way to create files in linux / unix, but the simple way to create a file is using “cat” and “Touch” command
$cat > File name
$touch file name

Q. What is command to see Particular user Schedule Jobs?
A. $crontab -lu username

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LINUX interview questions and answers top linux interview Questions and answers
Linux system administrator interview questions and answers
Q. What is command for restart cron service?
A. $ service crond restart

Q. What is command for FTP service on and restart?
A. $chkconfig vsftpd on
$service vsftpd restart

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