RAID stands for Redundant Array of Inexpensive (Independent) Disks. Please check following levels of RAIDs. RAID 0 – Striping RAID 1 – Mirroring RAID 5 – striping with parity RAID 10 (also known as RAID 1+0) – combining mirroring and striping RAID level 0 – Striping …………………… Minimum 2 disks. Excellent performance ( as blocks
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Describing below booting system of Linux, Please check below: The stages involved in Linux Booting Process are: BIOS Boot Loader – MBR – GRUB Kernel Init Runlevel scripts  BIOS 1.)This is the first thing which loads once you power on your machine. 2.)  When you press the power button of the machine, CPU looks out
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