[Android] roxdragon:
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Android Kitchen 0.196 - by dsixda (xda-developers.com)
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11 - Deodex files in your ROM
12 - Add task killer tweak for speed (stock ROM only)
13 - Add /data/app functionality
14 - Add Nano text editor + sysro/sysrw
15 - Add Bash (command shell)
16 - Add Apps2SD
17 - Add /etc/init.d scripts support (busybox run-parts)
18 - Add custom boot animation functionality
19 - Porting tools (experimental)
20 - Tools for boot image (unpack/re-pack/etc.)
21 - Unpack data.img
22 - Sign APK or ZIP file(s)
23 - Convert update-script or updater-script
24 - Miscellaneous options / Plugin scripts

99 - Build ROM from working folder
0 - BACK TO MAIN MENU

Enter option: 0

============================================================
Android Kitchen 0.196 - by dsixda (xda-developers.com)
============================================================

1 - Set up working folder from ROM
2 - Add root permissions
3 - Add BusyBox
4 - Disable boot screen sounds
5 - Add wireless tethering
6 - Zipalign all *.apk files to optimize RAM usage
7 - Change wipe status of ROM
8 - Change name of ROM
9 - Check update-script for errors
10 - Show working folder information

0 - ADVANCED OPTIONS
99 - Build ROM from working folder

u - Update/About kitchen
x - Exit

Enter option:

How to extract cache.img?

with kitchen?

i have execute this:

CREATE WORKING FOLDER FOR ROM
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Ensure there is at least one ROM under the 'original_update' folder!

Select an option:

s - Show supported formats
x - Abort, don't create working folder

Or press Enter to continue

? s

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The format for each ROM must be one of the following:

- system.img + optional boot.img/lib.img (e.g. stock ROM or Nandroid)
- ZIP file for a custom ROM (e.g. update.zip)
- ZIP file containing *.img (e.g. stock rom.zip)
- ZIP file containing shipped ROM in SYSTEM + BOOT folder format
- Working folder made with this kitchen (e.g. WORKING_old_rom)

Other formats:

Samsung Galaxy S:
- factoryfs.rfs + optional cache.rfs/zImage
- PDA.tar.md5 + optional CSC.tar.md5/PHONE.tar.md5
- PDA.tar + optional CSC.tar/PHONE.tar
- TAR/ZIP file containing factoryfs.rfs + more
- TAR/ZIP file containing PDA.tar.md5/PDA.tar + more

Samsung Galaxy S Plus:
- system.img.ext4 + optional cache.img.ext4/boot.img
- TAR/ZIP file containing system.img.ext4 + more

Samsung Galaxy SII:
- factoryfs.img + optional cache.img/zImage
- system.img.ext4 + optional cache.img.ext4/boot.img
- TAR/ZIP file containing factoryfs.img/system.img.ext4 + more
- system.ext4.tar + optional boot.img (Nandroid backup)

Huawei:
- APP file from Huawei software update (e.g. UPDATE.APP)

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Press Enter to continue, or type 'x' to abort:

Available ROMs:

(1) system.img and boot.img

Enter selection number (default=1, cancel=0):

Found original_update/system.img
Found original_update/boot.img

The new working folder will be named WORKING_062712_171010
Change the name (y/n)? (default: n):

Creating working folder WORKING_062712_171010 ...
Copying boot.img ...
Copying system.img ...

Adding an update-script ...

"system.img" -> "../system.img.ext4"

Warning: No cache.img.ext4 found. You can unpack this file separately
by running the plugin script in the kitchen's Advanced menu options.
If your device doesn't use a CSC, then just ignore this message.

Analyzing system.img.ext4 ...

Compiling simg2img ...
simg2img successfully compiled

Converting system.img.ext4 into a format for unpacking ...
computed crc32 of 0xb9d9b0e7, expected 0x00000000

Mounting ext4_system.img to loopback device and then extracting files ...

..............
..........
...

N.B

Warning: No cache.img.ext4 found. You can unpack this file separately
by running the plugin script in the kitchen's Advanced menu options.
If your device doesn't use a CSC, then just ignore this message.

into my original_update have:

gianni@gianni-desktop:~/Scrivania/ROM/original_update$ ls
boot.img cache.img hidden.img modem.bin recovery.img system.img

Can you help me please? Thank u