$ telnet ns28a
Trying 150.55.XX.XXX...
Connected to ns28a.ee.ous.ac.jp.
Escape character is '^]'.
Password:
% mv .forward .forward.bak
% logout
$

kimi@Persimmon ~ % ssh sstxp
kimi@sstxp's password: 
Linux sstweb 2.6.24-27-server #1 SMP Fri Mar 12 01:45:06 UTC 2010 i686

The programs included with the Ubuntu system are free software;
the exact distribution terms for each program are described in the
individual files in /usr/share/doc/*/copyright.

Ubuntu comes with ABSOLUTELY NO WARRANTY, to the extent permitted by
applicable law.

To access official Ubuntu documentation, please visit:
http://help.ubuntu.com/
You have new mail.
Last login: Thu Apr 30 17:01:17 2020 from 192.168.10.105
kimi@sstweb:~$ sudo ls
[sudo] password for kimi: 
33program.pdf				       mimetex.c
A.png					       mimetex.h
B.png					       mimetex.html
CEAS-Sakai-Linux			       mimetex.zip
CEAS-Sakai-Linux-MySQL-1.0.3-20100924en.zip    moin-1.5.8
CEAS-Sakai-Linux-MySQL-1.0.3-20100924en.zip.1  moin-1.5.8.tar
LICENSE					       moodle
README					       moodle-1.9.7.tar
RichWP-Magazine-Theme-Light		       moodle-1.9.7.tar.gz
S.png					       moodle-1.9.7.tgz
XQuartz-2.7.4.dmg			       moodle-1.9.7.zip
__MACOSX				       moodleintegration
caffeine.jpg				       moodleintegration.zip
caffeine.xyz				       pukiwiki-1.4.7_notb_utf8
cb6.tar					       pukiwiki-1.4.7_notb_utf8.tar
cbag.tar				       responses
cbkt70jal.bin				       rightsidebarsmaller.zip
cbof70jal.bin				       site.tar
dokuwiki-2008-05-05.tgz			       sstlab
formal_white_ee				       texfonts.h
gfuntype.c				       visit.php?lid=126
gifsave.c				       visit.php?lid=126.1
jmol					       wget-log
jmol-11.8.14				       wordpress
jmol-11.8.14-binary.zip			       x
jmol.zip				       xc
mbox
kimi@sstweb:~$ sudo shutdown -h now

Broadcast message from kimi@sstweb
	(/dev/pts/0) at 8:44 ...

The system is going down for halt NOW!
kimi@sstweb:~$ Connection to sstxp closed by remote host.
Connection to sstxp closed.
kimi@Persimmon ~ %