Tag: Reviewed

Examples : 1. To print or control the kernel ring buffer # dmesg# dmesg | head 2. To clear the kernel ring […]

Examples : 1. To dig into any domain name server $ dig centos.com 2. To hide any particular section from the output […]

Examples: 1. To to get the file system usage in human readable format $ df -h  2. To get the file system […]

Examples : 1. To display the Discordian dates $ ddate 2. To print full name of the day of the week $ […]

Examples: 1. To copy a file $ dd if=old.txt of=old.txt 2. To read and write specified bytes of a file at a […]

Examples: 1. To display the date and time $ date 2. To display the date and time entered by time $ date […]

Examples : 1. To change the files group $ chgrp SUPPORT file.txt 2. To see the status if the files group has […]

Examples: 1. To change the full name of the user $ chfn -f “Mike Jackson” mike 2. To specify the office room […]

Examples: 1. To change attribute of a file to “append only” $ chattr +a file.txt 2. To change attribute of a file […]

Examples: drwxrwxrwx. mike_u:object_r:admin_home_t:s0 file.txt U : R : T : L             User : Role : Type: […]