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mkinitcpio, a program to generate initramfs on Arch Linux and related distributions dracut, another program to generate initramfs on some Linux distributions. An image of this initial root file system (along with the kernel image) must be stored somewhere accessible by the Linux bootloader or the boot firmware of the computer.
Unlike existing Linux boot images, the Dracut framework attempts to introduce as little hard-coded logic into the initramfs as possible. [1] The initramfs has essentially one purpose: locating and mounting the real root file system so that the boot process can transition to it. [1] This functionality is dependent on device availability. [1]
Many distributions use dracut to generate and maintain the initramfs image. The root file system is later switched via a call to pivot_root() which unmounts the temporary root file system and replaces it with the use of the real one, once the latter is accessible. [14] The memory used by the temporary root file system is then reclaimed.
Squashfs is also the name of free software, licensed under the GPL, for accessing Squashfs filesystems. Squashfs is intended for general read-only file-system use and in constrained block-device memory systems (e.g. embedded systems ) where low overhead is needed.
switch root — Use from PID 1 under initramfs to free initramfs, chroot to NEW_ROOT, and exec NEW_INIT. sync — Write pending cached data to disk (synchronize), blocking until done. sysctl — Read/write system control data (under /proc/sys). tac — Output lines in reverse order. tail — Copy last lines from files to stdout.
Linux kernel boot and decompression process. vmlinux is a statically linked executable file that contains the Linux kernel in one of the object file formats supported by Linux, which includes Executable and Linkable Format (ELF) and Common Object File Format (COFF).
Cpio is therefore typically used with other utilities that generate the list of files to be archived, such as the find program. The resulting cpio archive is a sequence of files and directories concatenated into a single archive, separated by header sections with file meta information, such as filename, inode number, ownership, permissions, and ...
However, if TazLito is used for all LiveCD creation operations (that is, one does not create/modify the directories used by TazLito) the directories existence implies it is populated properly. Generate initramfs