1) Add to /etc/inetd.conf
telnet	stream	tcp	nowait	root	/usr/libexec/telnetd	telnetd
telnet	stream	tcp6	nowait	root	/usr/libexec/telnetd	telnetd

2) Create dir:
mkdir -p /usr/home/rviews
ln -s /usr/local/bin/sudo /usr/home/rviews/sudo

3) Create file /usr/home/rviews/bash:
#!/bin/sh 
/usr/local/bin/bash -rcfile /usr/home/rviews/.bash_profile -r

4) Create file /usr/home/rviews/.bash_profile:
PATH=/usr/home/rviews
export PATH
export PS1="\u>"
alias ping="sudo /sbin/ping"
alias traceroute="sudo /usr/sbin/traceroute"
alias ping6="sudo /sbin/ping6"
alias traceroute6="sudo /usr/sbin/traceroute6"

5) Add to /usr/local/etc/sudoers:
Cmnd_Alias TP=/sbin/ping, /usr/sbin/traceroute, /sbin/ping6, /usr/sbin/traceroute6
rviews ALL=(ALL) NOPASSWD: TP

6) Change premissions:
chmod 500 /usr/home/rviews/bash
chmod 400 /usr/home/rviews/.bash_profile

7) User add:
pw groupadd rviews -g 1002
pw useradd rviews -u 1002 -c "Rviews User" -g rviews -d /usr/home/rviews -s /usr/home/rviews/bash
passwd rviews
chown -R rviews:rviews /usr/home/rviews