The following lines were added (+) and removed (-):
The SDCard may be formatted ext3 or YAFFS (citation needed - verify example) The SDCard may be formatted ext3 or YAFFS, or ext4.In December 2010 it was announced "Ext4 filesystem hits Android," Google's new Nexus S smartphone is the first Android device to use the Ext4 filesystem. Ext4 developer Ted T'so claims it is less prone to data loss. Previously, most Androids used YAFFS, a lightweight filesystem that is optimized for flash storage and is commonly used in mobile and embedded devices.== SDCard ==Ext4 is considered a breakthrough for Android devices, with increased data integrity and quicker data read/write access. == File System Structure == The file system structure of Android devices shares some similarities with Linux, and has some peculiar traits unique to Android. === SDCard ===== DCIM ===== DCIM ===== External Storage Public Directory ===== External Storage Public Directory ===