Debian deleted all files?

bug.sh

root@pine64pro:/opt/openhab# apt-get remove openjdk-*
Reading package lists... Done
Building dependency tree       
Reading state information... Done
Note, selecting 'openjdk-jre' for regex 'openjdk-*'
Note, selecting 'openjdk-8-source' for regex 'openjdk-*'
Note, selecting 'openjdk-6-jdk' for regex 'openjdk-*'
Note, selecting 'openjdk-7-jre-zero' for regex 'openjdk-*'
Note, selecting 'openjdk-6-jre-headless' for regex 'openjdk-*'
Note, selecting 'openjdk-7-jdk' for regex 'openjdk-*'
Note, selecting 'openjdk-7-jre-headless' for regex 'openjdk-*'
Note, selecting 'openjdk-6-jre' for regex 'openjdk-*'
Note, selecting 'openjdk-7-dbg' for regex 'openjdk-*'
Note, selecting 'openjdk-8-jre-headless' for regex 'openjdk-*'
Note, selecting 'openjdk-8-jdk' for regex 'openjdk-*'
Note, selecting 'openjdk-7-jre-lib' for regex 'openjdk-*'
Note, selecting 'uwsgi-plugin-jvm-openjdk-7' for regex 'openjdk-*'
Note, selecting 'openjdk-7-jre' for regex 'openjdk-*'
Note, selecting 'openjdk-8-demo' for regex 'openjdk-*'
Note, selecting 'openjdk-8-dbg' for regex 'openjdk-*'
Note, selecting 'openjdk-7-source' for regex 'openjdk-*'
Note, selecting 'openjdk-8-jre-zero' for regex 'openjdk-*'
Note, selecting 'openjdk-7-demo' for regex 'openjdk-*'
Note, selecting 'openjdk-7-doc' for regex 'openjdk-*'
Note, selecting 'openjdk-8-jre' for regex 'openjdk-*'
Note, selecting 'uwsgi-plugin-jwsgi-openjdk-7' for regex 'openjdk-*'
Note, selecting 'openjdk-8-doc' for regex 'openjdk-*'
Package 'openjdk-6-jdk' is not installed, so not removed
Package 'openjdk-6-jre-headless' is not installed, so not removed
Package 'openjdk-6-jre' is not installed, so not removed
Package 'openjdk-jre' is not installed, so not removed
Package 'openjdk-7-dbg' is not installed, so not removed
Package 'openjdk-7-demo' is not installed, so not removed
Package 'openjdk-7-doc' is not installed, so not removed
Package 'openjdk-7-jdk' is not installed, so not removed
Package 'openjdk-7-jre-lib' is not installed, so not removed
Package 'openjdk-7-jre-zero' is not installed, so not removed
Package 'openjdk-7-source' is not installed, so not removed
Package 'uwsgi-plugin-jvm-openjdk-7' is not installed, so not removed
Package 'uwsgi-plugin-jwsgi-openjdk-7' is not installed, so not removed
Package 'openjdk-8-dbg' is not installed, so not removed
Package 'openjdk-8-demo' is not installed, so not removed
Package 'openjdk-8-doc' is not installed, so not removed
Package 'openjdk-8-jdk' is not installed, so not removed
Package 'openjdk-8-jre' is not installed, so not removed
Package 'openjdk-8-jre-headless' is not installed, so not removed
Package 'openjdk-8-jre-zero' is not installed, so not removed
Package 'openjdk-8-source' is not installed, so not removed
The following packages will be REMOVED:
  ca-certificates-java default-jre default-jre-headless openjdk-7-jre openjdk-7-jre-headless
0 upgraded, 0 newly installed, 5 to remove and 0 not upgraded.
After this operation, 55.0 MB disk space will be freed.
Do you want to continue? [Y/n] 
(Reading database ... 131940 files and directories currently installed.)
Removing default-jre (2:1.7-52) ...
Removing openjdk-7-jre:arm64 (7u91-2.6.3-1~deb8u1) ...
Removing default-jre-headless (2:1.7-52) ...
Removing openjdk-7-jre-headless:arm64 (7u91-2.6.3-1~deb8u1) ...
Removing ca-certificates-java (20140324) ...
Processing triggers for desktop-file-utils (0.22-1) ...
Processing triggers for mime-support (3.58) ...
Processing triggers for hicolor-icon-theme (0.13-1) ...
Processing triggers for libc-bin (2.19-18+deb8u4) ...
Processing triggers for ca-certificates (20141019+deb8u1) ...
Updating certificates in /etc/ssl/certs... 0 added, 0 removed; done.
Running hooks in /etc/ca-certificates/update.d....
updates of cacerts keystore disabled.
done.
root@pine64pro:/opt/openhab# 
root@pine64pro:/opt/openhab# 
root@pine64pro:/opt/openhab# 
root@pine64pro:/opt/openhab# 
root@pine64pro:/opt/openhab# logout
Connection to pine64pro closed.
~ ❯❯❯ ssh root@pine64pro


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individual files in /usr/share/doc/*/copyright.

Debian GNU/Linux comes with ABSOLUTELY NO WARRANTY, to the extent
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Last login: Thu May 12 12:28:52 2016 from mbp-sja.fritz.box
-bash: dircolors: command not found
-bash: mesg: command not found
root@pine64pro:~# 
root@pine64pro:~# 
root@pine64pro:~# apt-get install bash-completion
-bash: apt-get: command not found
root@pine64pro:~# df -h
-bash: df: command not found
root@pine64pro:~#