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unmount and delete partition

unmount and delete partition. ============================================================================================================= Unmount the partition # umount /dev/sda12 ============================================================================================================= Delete the partition. 1> unmount the partition #umount /dev/sda12 ============================================================================================================= 2> remove the entry from /etc/fstab ============================================================================================================= 3> remove partition #fdisk /dev/sda -press d to delete -press w

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wall messages to login users

wall messages to login users. #wall “message to broadcast” then it will display the “message” to all the current login screen Enabing / disabling broadcast message check current status : #mesg enable : #mesg y disable : #mesg n Extra

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