That file system is completely ram-based. When the Linux bootloader loads, it mounts and uses a mini filesystem. Without any of them, the Linux OS won't load properly, but in this section, we're going to look at the boot process specifically.
New to Linux commands, here's a quickstart guide for you.īoth boot and startup commands are essential Linux boot commands. The startup commands are what the bootloader uses to start things like the Linux kernel and essential kernel modules. The boot commands are what the MBR calls to start the bootloader along with the appropriate files the boot loader needs to start Linux. Technically, there are boot commands and startup commands, though both are typically referred to as boot commands. Let's set a couple of things straight here.
#Cbt nuggets linux essentials how to#
Mkinitrd: How To Create The Ramdisk That Linux Boots From Here are four essential Linux boot commands every sysadmin needs to know. Likewise, if you are brave enough to attempt to install a distribution like Gentoo or Arch from scratch, you'll need to configure the Linux bootloader by hand. Though the bootloader is typically configured at the time of installing Linux automatically, understanding the boot process will help systems administrators know how to recover from boot failures. Linux systems administrators need to understand how the Linux boot process works. J| CBT Nuggets - Jon Welling 4 Essential Linux Boot Commands
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