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adb shell ls -l
drwxr-xr-x    2 root     root             0 Jan  1  1970 acct
drwxr-xr-x    2 root     root             0 Jan  5  1970 boot
lrwxrwxrwx    1 root     root            50 Jan  1  1970 bugreports -> /data/user_de/0/com.android.shell/files/bugreports
drwxrwx---    6 system   cache         4096 Jan  5  1970 cache
lrwxrwxrwx    1 root     root            13 Jan  1  1970 charger -> /sbin/healthd
dr-x------    2 root     root             0 Jan  1  1970 config
lrwxrwxrwx    1 root     root            17 Jan  1  1970 d -> /sys/kernel/debug
drwxrwx--x   49 system   system        4096 Jan  1  2000 data
-rw-r--r--    1 root     root          2521 Jan  1  1970 default.prop
drwxr-xr-x   10 root     root          3720 Jan  5  1970 dev
drwxr-xr-x    2 root     root             0 Sep 28  2018 etc
drwxrwxrwx    2 root     root             0 Jan  5  1970 external_sd
-rw-r--r--    1 root     root         19360 Jan  1  1970 file_contexts
-rw-r--r--    1 root     root         76072 Jan  1  1970 file_contexts.bin
drwxrwx--x    2 system   system           0 Jan  5  1970 firmware
drwxrwxrwx    2 root     root             0 Sep 28  2018 idd
-rwxr-x---    1 root     root       1303720 Jan  1  1970 init
-rwxr-x---    1 root     root          3029 Jan  1  1970 init.rc
-rwxr-x---    1 root     root           105 Jan  1  1970 init.recovery.hlthchrg.rc
-rwxr-x---    1 root     root          1774 Jan  1  1970 init.recovery.qcom.rc
-rwxr-x---    1 root     root           320 Jan  1  1970 init.recovery.service.rc
-rwxr-x---    1 root     root            30 Jan  1  1970 init.recovery.suzuran.rc
-rwxr-x---    1 root     root          1323 Jan  1  1970 init.recovery.usb.rc
drwxr-xr-x    3 root     root             0 Jan  1  1970 license
drwxrwxrwx    2 root     root             0 Sep 28  2018 lta-label
drwxr-xr-x    2 root     root             0 Jan  1  1970 mnt
drwxr-xr-x    2 root     root             0 Jan  1  1970 oem
drwxrwx--x    2 system   system           0 Jan  5  1970 persist
dr-xr-xr-x  353 root     root             0 Jan  1  1970 proc
-rw-r--r--    1 root     root          4783 Jan  1  1970 property_contexts
drwxrwxrwx    2 root     root             0 Jan  5  1970 rca
drwxr-xr-x    2 root     root             0 Jan  5  1970 recovery
drwxr-xr-x    3 root     root             0 Jan  1  1970 res
drwx------    2 root     root             0 Feb 21  2018 root
drwxr-x---    2 root     root             0 Jul  1 00:08 sbin
drwxrwx---    3 media_rw media_rw      4096 Sep  9  2018 sdcard
-rw-r--r--    1 root     root           869 Jan  1  1970 seapp_contexts
-rw-r--r--    1 root     root            73 Jan  1  1970 selinux_version
-rw-r--r--    1 root     root        181740 Jan  1  1970 sepolicy
-rw-r--r--    1 root     root         11362 Jan  1  1970 service_contexts
drwxr-xr-x    2 root     root             0 Jan  5  1970 sideload
drwxr-x--x    2 root     root             0 Jan  1  1970 storage
dr-xr-xr-x   13 root     root             0 Jan  5  1970 sys
drwxr-xr-x    4 root     root             0 Jan  1  1970 system
drwxrwxr-x    2 root     shell           80 Jul  1 00:08 tmp
drwxr-xr-x    5 root     root             0 Jan  1  1970 twres
-rw-r--r--    1 root     root         15516 Jan  1  1970 ueventd.qcom.rc
-rw-r--r--    1 root     root          4853 Jan  1  1970 ueventd.rc
-rw-r--r--    1 root     root            24 Jan  1  1970 ueventd.suzuran.rc
drwxrwxrwx    2 root     root             0 Jan  5  1970 usb-otg
 

adb shell ls -lR /storage/ | tee -a ~/resultat-ls
adb shell find . /storage/ | tee -a ~/resultat-find
adb shell du /storage/ | tee -a ~/resultat-du

db shell mount
rootfs on / type rootfs (rw,seclabel)
tmpfs on /dev type tmpfs (rw,seclabel,nosuid,relatime,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)
debugfs on /sys/kernel/debug type debugfs (rw,seclabel,relatime)
tmpfs on /tmp type tmpfs (rw,seclabel,relatime)
pstore on /sys/fs/pstore type pstore (rw,seclabel,relatime)
adb on /dev/usb-ffs/adb type functionfs (rw,relatime)
/dev/block/bootdevice/by-name/cache on /cache type ext4 (rw,seclabel,nosuid,nodev,relatime,data=ordered)
/dev/block/mmcblk0p42 on /data type ext4 (rw,seclabel,relatime,data=ordered)
/dev/block/mmcblk0p42 on /sdcard type ext4 (rw,seclabel,relatime,data=ordered)
 

adb shell mount -l
mount: invalid option -- l
BusyBox v1.22.1 bionic (2018-08-22 21:21 +0300) multi-call binary.
Usage: mount [OPTIONS] [-o OPTS] DEVICE NODE
Mount a filesystem. Filesystem autodetection requires /proc.
    -a        Mount all filesystems in fstab
    -f        Dry run
    -v        Verbose
    -r        Read-only mount
    -w        Read-write mount (default)
    -t FSTYPE[,...]    Filesystem type(s)
    -O OPT        Mount only filesystems with option OPT (-a only)
-o OPT:
    loop        Ignored (loop devices are autodetected)
    [a]sync        Writes are [a]synchronous
    [no]atime    Disable/enable updates to inode access times
    [no]diratime    Disable/enable atime updates to directories
    [no]relatime    Disable/enable atime updates relative to modification time
    [no]dev        (Dis)allow use of special device files
    [no]exec    (Dis)allow use of executable files
    [no]suid    (Dis)allow set-user-id-root programs
    [r]shared    Convert [recursively] to a shared subtree
    [r]slave    Convert [recursively] to a slave subtree
    [r]private    Convert [recursively] to a private subtree
    [un]bindable    Make mount point [un]able to be bind mounted
    [r]bind        Bind a file or directory [recursively] to another location
    move        Relocate an existing mount point
    remount        Remount a mounted filesystem, changing flags
    ro/rw        Same as -r/-w
There are filesystem-specific -o flags.
 

adb shell mount -a
mount: mounting /dev/block/mmcblk1p1 on /external_sd failed: Invalid argument
mount: mounting /usb-otg on auto failed: No such file or directory
mount: mounting /dev/block/mmcblk0p3 on /firmware failed: Invalid argument