== Strategies ==
More info [httpThe integrity of the root file system is mandatory to allow the kernel to complete the boot process and usually it is not required that the whole file system is writeable. For these reasons, usually the file system is splitted in (at least) two parts as shown in the following table: {| class="wikitable" !Part!File System type!Access!Physical medium|-|Minimal root file system|ext2, cramfs, ..|write protected|ramdisk (*)|-|Storage file system|UBIFS, JFFS2, YAFFS2, ext2/3, ..|read/processorswrite|NOR and NAND flashes, SSD, hard disk, .wiki.ti|-|} (*) As this file system is mounted over a volatile memory, modifications will be lost when the system will be turned off.com The first part is the actual root file system, it contains the minimum components to allow the system to boot properly and usually it does not require on-the-field upgrading. The other part is used to store applications binaries and files created and/indexor modified by the user, thus it must be mounted over a non-volatile memory device.php/Creating_a_Root_File_System_for_Linux_on_OMAP35x#Mounting_the_Root_File_System_over_NFS here]
== Creating the root file system ==