Editing /boot/

{{Welcome}}
{{Navbar GhostBSD Boot Process}}

==Introduction==

The directory /boot/ contains all important programs and configuration files used during operating system bootstrap.

==Content==

{|class="wikitable" style="width:96.5%;background:#FFFFFF; border:2px solid #008000;text-align:left;padding: 10px" 
|-
! scope="col" style="width: 100px;"|'''Directory'''
! scope="col" style="width: 350px;"|'''Description'''
|-
|defaults/  
|default bootstrapping configuration files; see [https://www.freebsd.org/cgi/man.cgi?query=loader.conf&sektion=5&apropos=0&manpath=FreeBSD+12.1-RELEASE+and+Ports   loader.conf(5)]
|-
|file: [[/boot/defaults/loader.conf]]
|default settings -- do	not change this	file.
|-
|dtb/	  
|Compiled flattened device tree (FDT)	files; see [https://www.freebsd.org/cgi/man.cgi?query=fdt&sektion=4&apropos=0&manpath=FreeBSD+12.1-RELEASE+and+Ports fdt(4)] and [https://www.freebsd.org/cgi/man.cgi?query=dtc&sektion=1&apropos=0&manpath=FreeBSD+12.1-RELEASE+and+Ports dtc(1)]
|-
|firmware/  
|this file is emty
|-
|[[Kernel|kernel]]/	   
|pure kernel executable (the operating system loaded into memory at boot time) and kernel modules
|-
|[[Modules|modules]]/   
|third-party loadable kernel modules;	see [https://www.freebsd.org/cgi/man.cgi?query=kldstat&sektion=8&apropos=0&manpath=FreeBSD+12.1-RELEASE+and+Ports kldstat(8)]
|-
|overlays/  
|On FreeBSD: Compiled flattened device tree (FDT) overlays; see  [https://www.freebsd.org/cgi/man.cgi?query=fdt&sektion=4&apropos=0&manpath=FreeBSD+12.1-RELEASE+and+Ports fdt(4)] and [https://www.freebsd.org/cgi/man.cgi?query=dtc&sektion=1&apropos=0&manpath=FreeBSD+12.1-RELEASE+and+Ports dtc(1)] <br/>'''Directory not on GhostBSD'''
|-
|zfs/	   
|[https://www.freebsd.org/cgi/man.cgi?query=zfs&sektion=8&apropos=0&manpath=FreeBSD+12.1-RELEASE+and+Ports zfs(8)] zpool cache files
|-
!colspan="2"|'''Back to ''' [[image:Icon Disti GhostBSD.png|50px|link=Directory Structure]]'''Directory Structure'''

|}

==Programs and Files==

{|class="wikitable" style="width:96.5%;background:#FFFFFF; border:2px solid #008000;text-align:left;padding: 10px" 
|-
! scope="col" style="width: 100px;"|'''Variable'''
! scope="col" style="width: 350px;"|'''Description'''
|-
|/boot/beastie.4th
|[https://www.unix.com/man-page/freebsd/8/beastie.4th/ The file that goes by the name of beastie.4th] is a set of commands designed to draw the ASCII art FreeBSD mascot, known simply as beastie, to the right of the boot loader menu.
|-
|/boot/boot
|[https://www.unix.com/man-page/freebsd/8/boot/ system bootstrapping procedures]
|-
|/boot/boot0
|
|-
|/boot/boot0sio
|Image for serial consoles (COM1,9600,8,N,1,MODEM) [https://www.unix.com/man-page/FreeBSD/8/boot0cfg/ see: FILES]
|-
|/boot/boot1
|
|-
|/boot/boot1.efi
|[https://www.freebsd.org/cgi/man.cgi?query=uefi&sektion=8&manpath=freebsd-release-ports UEFI] The default UEFI boot configuration for FreeBSD installs boot1.efi in the default path.
|-
|/boot/boot1.efifat
|[https://www.freebsd.org/cgi/man.cgi?query=uefi&sektion=8&manpath=freebsd-release-ports UEFI]  [https://www.freebsd.org/cgi/man.cgi?query=msdosfs&sektion=5&apropos=0&manpath=FreeBSD+12.1-RELEASE+and+Ports msdosfs(5)] FAT file system image containing boot1.efi for use by [https://www.freebsd.org/cgi/man.cgi?query=bsdinstall&sektion=8&apropos=0&manpath=FreeBSD+12.1-RELEASE+and+Ports bsdinstall(8)] and the bootcode argument to [https://www.freebsd.org/cgi/man.cgi?query=gpart&sektion=8&apropos=0&manpath=FreeBSD+12.1-RELEASE+and+Ports gpart(8)].
|-
|/boot/boot2
|
|-
|/boot/brand.4th
|[https://www.unix.com/man-page/freebsd/8/brand.4th/ FreeBSD ASCII art boot module]
|-
|/boot/brand-fbsd.4th
|[https://github.com/freebsd/freebsd/blob/master/stand/forth/brand.4th like brand.4th]
|-
|/boot/cdboot
|Boot from CD
|-
|/boot/check-password.4th
|
|-
|/boot/color.4th
|[https://www.unix.com/man-page/freebsd/8/color.4th/ FreeBSD color-detection boot module]
|-
|/boot/delay.4th
|[https://www.unix.com/man-page/freebsd/8/delay.4th/ FreeBSD debugging boot module]
|-
|/boot/device.hints
|[https://www.unix.com/man-page/freebsd/5/device.hints/ device resource hints]
|-
|/boot/efi.4th
|
|-
|/boot/frames.4th
|
|-
|/boot/gptboot
|[https://www.unix.com/man-page/freebsd/8/gptboot/ GPT bootcode for UFS on BIOS-based computers]
|-
|/boot/gptboot.efi
|
|-
|/boot/gptboot.efifat
|
|-
|/boot/gptzfsboot
|[https://www.unix.com/man-page/freebsd/8/gptzfsboot/ GPT bootcode for ZFS on BIOS-based computers]
|-
|/boot/isoboot
|Boot from iso
|-
|/boot/loader
|The program called loader is the final stage of FreeBSD's kernel bootstrapping process.[https://www.unix.com/man-page/freebsd/8/loader/]
|-
|/boot/loader.4th
|[https://www.unix.com/man-page/freebsd/8/loader/ loader(8)] bootstrapping script. [https://www.unix.com/man-page/freebsd/8/loader.4th/ loader.conf processing tools]
|-
|[[/boot/loader.conf]]
|user defined settings
|-
|/boot/loader.efi
|
|-
|/boot/loader.rc
|loader bootstrapping script. Standard: /boot/loader.rc: include /boot/loader.4th
|-
|/boot/loader.rc.local
|
|-
|/boot/loader_4th
|

|-
|/boot/loader_4th.efi
|
|-
|/boot/loader_lua
|
|-
|/boot/loader_lua.efi
|
|-
|/boot/loader_simp
|
|-
|/boot/loader_simp.efi
|
|-
|/boot/logo-beastie.4th
|
|-
|/boot/logo-beastiebw.4th
|
|-
|/boot/logo-fbsdbw.4th
|
|-
|/boot/logo-orb.4th
|
|-
|/boot/logo-orbbw.4th
|
|-
|/boot/mbr
|
|-
|/boot/menu.4th
|[https://www.unix.com/man-page/freebsd/8/menu.4th/ FreeBSD dynamic menu boot module]
|-
|/boot/menu.rc
|
|-
|/boot/menu-commands.4th
|
|-
|/boot/menusets.4th
|[https://www.unix.com/man-page/freebsd/8/menusets.4th/ FreeBSD dynamic submenu boot module]
|-
|/boot/pmbr
|
|-
|/boot/pxeboot
|[https://www.unix.com/man-page/freebsd/8/pxeboot/ Preboot Execution Environment (PXE) bootloader]
|-
|/boot/screen.4th
|
|-
|/boot/shortcuts.4th
|
|-
|/boot/support.4th
|
|-
|/boot/userboot.so
|
|-
|/boot/userboot_4th.so
|
|-
|/boot/userboot_lua.so
|
|-
|/boot/version.4th
| The file that goes by the name of [https://www.unix.com/man-page/freebsd/8/version.4th/ version.4th] is a set of commands designed to draw the boot loader version at the bottom-right of the screen.  The commands of [https://www.unix.com/man-page/freebsd/8/version.4th version.4th] by themselves are not enough for most uses.  Please refer to the examples below for the most common situations, and to [https://www.unix.com/man-page/freebsd/8/loader/ loader(8)] for additional commands.
|-
|/boot/zfsboot
|[https://www.unix.com/man-page/freebsd/8/zfsboot/ bootcode for ZFS on BIOS-based computers]
|-
|/boot/zfsloader
|[https://www.unix.com/man-page/freebsd/8/zfsloader/ zfsloader is an extended variant] of [https://www.unix.com/man-page/freebsd/8/loader/ loader(8)] with added support for booting from ZFS.  This document describes only differences from [https://www.unix.com/man-page/freebsd/8/loader/ loader(8).]

|}

[[Category:Sysutils]]