原创 CRAMFS root file system of production

(1) YLP2440.cramfs copy to any directory

(2) set up in the directory two files:

mkdir roms
mkdir tmp

(3) will be attached to the roms directory YLP2440.cramfs 
mount YLP2440.cramfs roms-o loop 
(4) roms directory content compression 
tar-cjvf roms.tar roms 
This will produce a package roms.tar

(5) to extract the package tmp directory. 
umount roms 
mv roms.tar tmp 
cd tmp 
tar-xjvf roms.tar 
cd roms; at roms at this time, the own drive and add applications to the root file system, and such as the following 
Order to create a new directory uCdragon 
mkdir uCdragon 
ls

(6) Production CRAMFS root file system. At the command line, enter the following command: 
cd .. 
ls 
mkcramfs roms YLP2440.cramfs

Running successfully, it will generate in the directory YLP2440.cramfs

Root file system programmer