linux安卓挂载分区,Android分区查看
查看分区数：
# cat /proc/partitions
major minor #blocks name
179 0 30535680 mmcblk0
179 1 4096 mmcblk0p1
179 2 4096 mmcblk0p2
179 3 16384 mmcblk0p3
179 4 16384 mmcblk0p4
179 5 32768 mmcblk0p5
179 6 32768 mmcblk0p6
179 7 53248 mmcblk0p7
179 8 131072 mmcblk0p8
179 9 4096 mmcblk0p9
179 10 2097152 mmcblk0p10
179 11 4096 mmcblk0p11
179 12 30720 mmcblk0p12
179 13 16384 mmcblk0p13
179 14 65536 mmcblk0p14
179 15 28018688 mmcblk0p15
查看分区名字：
# ls -l /dev/block/mtd/by-name
lrwxrwxrwx root root 2017-11-20 10:46 backup -> /dev/block/mmcblk0p7
lrwxrwxrwx root root 2017-11-20 10:46 boot -> /dev/block/mmcblk0p5
lrwxrwxrwx root root 2017-11-20 10:46 cache -> /dev/block/mmcblk0p8
lrwxrwxrwx root root 2017-11-20 10:46 kernel -> /dev/block/mmcblk0p4
lrwxrwxrwx root root 2017-11-20 10:46 kpanic -> /dev/block/mmcblk0p9
lrwxrwxrwx root root 2017-11-20 10:46 metadata -> /dev/block/mmcblk0p11
lrwxrwxrwx root root 2017-11-20 10:46 minikernel -> /dev/block/mmcblk0p12
lrwxrwxrwx root root 2017-11-20 10:46 miniresource -> /dev/block/mmcblk0p13
lrwxrwxrwx root root 2017-11-20 10:46 misc -> /dev/block/mmcblk0p2
lrwxrwxrwx root root 2017-11-20 10:46 radical_update -> /dev/block/mmcblk0p14
lrwxrwxrwx root root 2017-11-20 10:46 recovery -> /dev/block/mmcblk0p6
lrwxrwxrwx root root 2017-11-20 10:46 resource -> /dev/block/mmcblk0p3
lrwxrwxrwx root root 2017-11-20 10:46 system -> /dev/block/mmcblk0p10
lrwxrwxrwx root root 2017-11-20 10:46 uboot -> /dev/block/mmcblk0p1
lrwxrwxrwx root root 2017-11-20 10:46 userdata -> /dev/block/mmcblk0p15
查看分区挂载点：
# cat /proc/mounts
rootfs / rootfs ro,relatime 0 0
tmpfs /dev tmpfs rw,seclabel,nosuid,relatime,mode=755 0 0
devpts /dev/pts devpts rw,seclabel,relatime,mode=600 0 0
proc /proc proc rw,relatime 0 0
sysfs /sys sysfs rw,seclabel,relatime 0 0
selinuxfs /sys/fs/selinux selinuxfs rw,relatime 0 0
none /acct cgroup rw,relatime,cpuacct 0 0
none /sys/fs/cgroup tmpfs rw,seclabel,relatime,mode=750,gid=1000 0 0
none /sys/fs/cgroup/memory cgroup rw,relatime,memory 0 0
tmpfs /mnt/secure tmpfs rw,seclabel,relatime,mode=700 0 0
tmpfs /mnt/asec tmpfs rw,seclabel,relatime,mode=755,gid=1000 0 0
tmpfs /mnt/obb tmpfs rw,seclabel,relatime,mode=755,gid=1000 0 0
none /dev/cpuctl cgroup rw,relatime,cpu 0 0
adb /dev/usb-ffs/adb functionfs rw,relatime 0 0
/dev/block/platform/ff0f0000.rksdmmc/by-name/system /system ext4 rw,seclabel,relatime,noauto_da_alloc,data=ordered 0 0
/dev/block/platform/ff0f0000.rksdmmc/by-name/cache /cache ext4 rw,seclabel,nosuid,nodev,noatime,nodiratime,discard,noauto_da_alloc,data=ordered 0 0
/dev/block/platform/ff0f0000.rksdmmc/by-name/metadata /metadata ext4 rw,seclabel,nosuid,nodev,noatime,nodiratime,discard,noauto_da_alloc 0 0
/dev/block/platform/ff0f0000.rksdmmc/by-name/userdata /data ext4 rw,seclabel,nosuid,nodev,noatime,nodiratime,discard,noauto_da_alloc,data=ordered 0 0
/sys/kernel/debug /sys/kernel/debug debugfs rw,relatime,mode=755 0 0
/dev/fuse /mnt/shell/emulated fuse rw,nosuid,nodev,relatime,user_id=1023,group_id=1023,default_permissions,allow_other 0 0
查看磁盘使用情况：
# df
Filesystem Size Used Free Blksize
/dev 1007.4M 128.0K 1007.3M 4096
/sys/fs/cgroup 1007.4M 0.0K 1007.4M 4096
/mnt/secure 1007.4M 0.0K 1007.4M 4096
/mnt/asec 1007.4M 0.0K 1007.4M 4096
/mnt/obb 1007.4M 0.0K 1007.4M 4096
/dev/usb-ffs/adb: Permission denied
/system 2.0G 784.0M 1.2G 4096
/cache 108.0M 72.0K 107.9M 4096
/metadata 3.9M 24.0K 3.8M 4096
/data 26.2G 702.9M 25.5G 4096
/mnt/shell/emulated 26.2G 802.9M 25.4G 4096
更详细的内容，可以通过recovery.img下的/etc/recovery.fstab来查看：
# Android fstab file.
#
#/dev/block/rknand_user /mnt/internal_sd vfat defaults defaults
/dev/block/mmcblk0p1 /mnt/external_sd vfat /dev/block/mmcblk0 defaults
/dev/block/rknand_system /system ext4 defaults defaults
/dev/block/rknand_cache /cache ext4 defaults defaults
/dev/block/rknand_metadata /metadata ext4 defaults defaults
/dev/block/rknand_userdata /data ext4 defaults defaults
/dev/block/rknand_cust /cust ext4 defaults defaults
/dev/block/rknand_custom /custom ext4 defaults defaults
/dev/block/rknand_radical_update /radical_update ext4 defaults defaults
misc /misc mtd defaults defaults
uboot /uboot mtd defaults defaults
charge /charge mtd defaults defaults
resource /resource mtd defaults defaults
parameter /parameter mtd defaults defaults
boot /boot mtd defaults defaults
recovery /recovery mtd defaults defaults
backup /backup mtd defaults defaults
minikernel /minikernel mtd defaults defaults
miniresource /miniresource mtd defaults defaults