Originally Posted by Last_of_the_PEs
Thanks, yes I see that in Device Storage, the card is "SD card". When I use ES File Explorer, and go to the root, I see both "extsdcard" and "sdcard" (along with "system" and a number of others). So while the micro-sd is referred to as 'sdcard' in some places, in the file system it is extsdcard.
I thought I read somewhere that the internal memory is just an sdcard -- hope it doesn't pop loose! That would be bad.
there are 4 chunks of the 4 gig internal memory (which is a single chip soldered into the main board) that are publicly exposed inside the edge. These add up to about 3.5 gig
ubi:system 329928 168456 161472 51% /system
ubi:userdata 329928 183104 146824 55% /data
ubi:cache 330400 36 325528 0% /cache
ubi:storage 2668352 387296 2276220 15% /intstorage
the remaining storage is probably the boot and restore sections that house the kernel image and the code that knows how to access update.zip on external memory.
One of those "others" you mention is intstorage which is the actual mount point of the internal memory Looking inside that directory you will see it contains a vfat.img file which is the actual filesystem you access when accessing the internal memory. This is mounted via a loopback device to the directory /intsdcard
the directory /sdcard is simply a link to the directory that is the mount point for whatever storage you selected to use. so if you selected SD Card if you did an ls -l on the root directory you would see a listing like so
sdcard -> /mnt/sdcard