=~=~=~=~=~=~=~=~=~=~=~= PuTTY log 2019.07.05 19:42:24 =~=~=~=~=~=~=~=~=~=~=~=
login as: root


BusyBox v1.28.3 () built-in shell (ash)

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          |__| W I R E L E S S   F R E E D O M
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 OpenWrt 18.06.0-rc1, r7090-d2aa3a1b62
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=== WARNING! =====================================
There is no root password defined on this device!
Use the "passwd" command to set up a new password
in order to prevent unauthorized SSH logins.
--------------------------------------------------
root@OpenWrt:~# mount
/dev/root on /rom type squashfs (ro,relatime)
proc on /proc type proc (rw,nosuid,nodev,noexec,noatime)
sysfs on /sys type sysfs (rw,nosuid,nodev,noexec,noatime)
tmpfs on /tmp type tmpfs (rw,nosuid,nodev,noatime)
tmpfs on /tmp/root type tmpfs (rw,noatime,mode=755)
overlayfs:/tmp/root on / type overlay (rw,noatime,lowerdir=/,upperdir=/tmp/root/upper,workdir=/tmp/root/work)
tmpfs on /dev type tmpfs (rw,nosuid,relatime,size=512k,mode=755)
devpts on /dev/pts type devpts (rw,nosuid,noexec,relatime,mode=600,ptmxmode=000)
debugfs on /sys/kernel/debug type debugfs (rw,noatime)
root@OpenWrt:~# df -h
Filesystem                Size      Used Available Use% Mounted on
/dev/root                 2.3M      2.3M         0 100% /rom
tmpfs                    13.8M    536.0K     13.2M   4% /tmp
tmpfs                    13.8M     56.0K     13.7M   0% /tmp/root
overlayfs:/tmp/root      13.8M     56.0K     13.7M   0% /
tmpfs                   512.0K         0    512.0K   0% /dev
root@OpenWrt:~#