PLATFORM_SDK ubuntu@ubuntu:~$ adb shell
~ # mount
rootfs on / type rootfs (rw,seclabel,size=1819536k,nr_inodes=454884)
tmpfs on /dev type tmpfs (rw,seclabel,nosuid,relatime,size=1917320k,nr_inodes=479330,mode=755)
devpts on /dev/pts type devpts (rw,seclabel,relatime,mode=600)
proc on /proc type proc (rw,relatime,gid=3009,hidepid=2)
sysfs on /sys type sysfs (rw,seclabel,relatime)
selinuxfs on /sys/fs/selinux type selinuxfs (rw,relatime)
tmpfs on /tmp type tmpfs (rw,seclabel,relatime,size=1917320k,nr_inodes=479330)
pstore on /sys/fs/pstore type pstore (rw,seclabel,relatime)
adb on /dev/usb-ffs/adb type functionfs (rw,relatime)
/dev/block/sda19 on /cache type ext4 (rw,seclabel,relatime,data=ordered)
~ #

ubuntu@ubuntu:~$ telnet 192.168.2.15 23
~ # mount
rootfs on / type rootfs (rw,size=1820712k,nr_inodes=455178)
devtmpfs on /dev type devtmpfs (rw,relatime,size=1820712k,nr_inodes=455178,mode=755)
devpts on /dev/pts type devpts (rw,relatime,mode=600)
sysfs on /sys type sysfs (rw,relatime)
proc on /proc type proc (rw,relatime)
none on /config type configfs (rw,relatime)
/dev/sda20 on /data type ext2 (rw,relatime,errors=continue)
/dev/sda20 on /target/data type ext2 (rw,relatime,errors=continue)
~ # ls -la /data/
__bionic_open_tzdata_path: ANDROID_DATA not set!
__bionic_open_tzdata_path: ANDROID_ROOT not set!
drwxr-xr-x    3 root     root          4096 Jan  1 15:44 .
drwxr-xr-x   13 system   system         360 Jan  1 15:46 ..
drwxr-xr-x    2 root     root         16384 Jan  1 15:44 lost+found
~ # ls -la /data/lost+found
__bionic_open_tzdata_path: ANDROID_DATA not set!
__bionic_open_tzdata_path: ANDROID_ROOT not set!
drwxr-xr-x    2 root     root         16384 Jan  1 15:44 .
drwxr-xr-x    3 root     root          4096 Jan  1 15:44 ..