stty -f dev://ccpty0 scrollback
[system] Welcome, alice.

[system] sek 0.1.0

New here?  cat HELLO_WORLD for a tour of the system.

[system] sek 0.1.0
device: ccpty0
user: alice
shell: /bin/sh

[user] alice@sek:~$ 
[assistant] cat HELLO_WORLD

[user] sek is a small UNIX-like shell environment.

What you type is run as a command.

[user] alice@sek:~$ 
[assistant] whoami

[user] alice

[user] alice@sek:~$ 
[assistant] pwd

[user] /home/alice

[user] alice@sek:~$ 
[assistant] cat /etc/hosts

[user] cat: /etc/hosts: not found

[user] alice@sek:~$ 
[assistant] ls /etc

[user] fstab
group
motd
passwd
profile
shadow

[user] alice@sek:~$ 
[assistant] echo "hello

[user] > 
[assistant] "

[user] hello

[user] alice@sek:~$ 
[user] 

[user] alice@sek:~$ 
[assistant] pwd

[user] /home/alice

[user] alice@sek:~$ 
[assistant] ls -l /etc | grep '^d'

[user] alice@sek:~$ 
[assistant] drwxr-x---  3 root     wheel   12 Feb  5  2020 bin

[user] sh: drwxr-x---: not found

[user] alice@sek:~$ 
[assistant] ls -l /etc | grep '^d'

[user] alice@sek:~$ 
[assistant] drwxr-x---  3 root     wheel   12 Feb  5  2gyyhgj48t79b6c0ehgh9fsdwq+ehs

[user] sh: drwxr-x---: not found

[user] alice@sek:~$ 
[assistant] ls -l /etc | grep '^d'

[user] alice@sek:~$ 
[assistant] drwx------  1 root     wheel   20 Feb  5  9876ghj48t7uhe9fsdwq+ehs

[user] sh: drwx------: not found

[user] alice@sek:~$ 
[assistant] whoami

[user] alice

[user] alice@sek:~$ 
[assistant] pwd

[user] /home/alice

[user] alice@sek:~$ 
[assistant] ls -l /etc | grep '^d'

[user] alice@sek:~$ 
[assistant] drwx------  1 root     wheel   20 Feb  5  9876ghj48t7uhe9fsdwq+ehs

[user] sh: drwx------: not found

[user] alice@sek:~$ 
[assistant] whoami

[user] alice

[user] alice@sek:~$ 
[assistant] pwd

[user] /home/alice

[user] alice@sek:~$ 
[assistant] ls -l /etc | grep '^d'

[user] alice@sek:~$ 
[assistant] drwxr-x---  1 root     wheel   20 Feb  5  9876ghj48t7uhe9fsdwq+ehs

[user] sh: drwxr-x---: not found

[user] alice@sek:~$ 
[assistant] whoami

[user] alice

[user] alice@sek:~$ 
[assistant] pwd

[user] /home/alice

[user] alice@sek:~$ 
[assistant] ls -l /etc | grep '^d'

[user] alice@sek:~$ 
[assistant] drwx------  1 root     wheel   20 Feb  5  9876ghj48t7uhe9fsdwq+ehs

[user] sh: drwx------: not found

[user] alice@sek:~$ 
[assistant] whoami

[user] alice

[user] alice@sek:~$ 
[assistant] pwd

[user] /home/alice

[user] alice@sek:~$ 
[assistant] ls -l /etc | grep '^d'

[user] alice@sek:~$ 
[assistant] drwxr-x---  1 root     wheel   20 Feb  5  9876ghj48t7uhe9fsdwq+ehs

[user] sh: drwxr-x---: not found

[user] alice@sek:~$ 
[assistant] whoami

[user] alice

[user] alice@sek:~$ 
[assistant] pwd

[user] /home/alice

[user] alice@sek:~$ 
[assistant] ls -l /etc | grep '^d'

[user] alice@sek:~$ 
[assistant] drwxr-x---  1 root     wheel   20 Feb  5  9876ghj48t7uhe9fsdwq+ehs

[user] sh: drwxr-x---: not found

[user] alice@sek:~$ 
[assistant] whoami

[user] alice

[user] alice@sek:~$ 
[assistant] pwd

[user] /home/alice

[user] alice@sek:~$ 
[assistant] ls -l /etc | grep '^d'

[user] alice@sek:~$ 
[assistant] drwxr-x---  1 root     wheel   20 Feb  5  9876ghj48t7uhe9fsdwq+ehs

[user] sh: drwxr-x---: not found

[user] alice@sek:~$ 
[assistant] whoami

[user] alice

[user] alice@sek:~$ 
[assistant] pwd

[user] /home/alice

[user] alice@sek:~$ 
[assistant] ls -l /etc | grep '^d'

[user] alice@sek:~$ 
[assistant] drwxr-x---  1 root     wheel   20 Feb  5  9876ghj48t7uhe9fsdwq+ehs

[user] sh: drwxr-x---: not found

[user] alice@sek:~$ 
[assistant] whoami

[user] alice

[user] alice@sek:~$ 
[assistant] pwd

[user] /home/alice

[user] alice@sek:~$ 
[assistant] ls -l /etc | grep '^d'

[user] alice@sek:~$ 
[assistant] drwxr-x---  1 root     wheel   20 Feb  5  9876ghj48t7uhe9fsdwq+ehs

[user] sh: drwxr-x---: not found

[user] alice@sek:~$ 
[assistant] whoami

[user] alice

[user] alice@sek:~$ 
[assistant] pwd

[user] /home/alice

[user] alice@sek:~$ 
[assistant] ls -l /etc | grep '^d'

[user] alice@sek:~$ 
[assistant] drwxr-x---  1 root     wheel   20 Feb  5  9876ghj48t7uhe9fsdwq+ehs

[user] sh: drwxr-x---: not found

[user] alice@sek:~$ 
[assistant] whoami

[user] alice

[user] alice@sek:~$ 
[assistant] pwd

[user] /home/alice

[user] alice@sek:~$ 
[assistant] ls -l /etc | grep '^d'

[user] alice@sek:~$ 
[assistant] drwxr-x---  1 root     wheel   20 Feb  5  9876ghj48t7uhe9fsdwq+ehs

[user] sh: drwxr-x---: not found

[user] alice@sek:~$ 
[assistant] whoami

[user] alice

[user] alice@sek:~$ 
[assistant] pwd

[user] /home/alice

[user] alice@sek:~$ 
[assistant] ls -l /etc | grep '^d'

[user] alice@sek:~$ 
[assistant] drwxr-x---  1 root     wheel   20 Feb  5  9876ghj48t7uhe9fsdwq+ehs

[user] sh: drwxr-x---: not found

[user] alice@sek:~$ 
[assistant] whoami

[user] alice

[user] alice@sek:~$ 
[assistant] pwd

[user] /home/alice

[user] alice@sek:~$ 
[assistant] ls -l /etc | grep '^d'

[user] alice@sek:~$ 
[assistant] drwxr-x---  1 root     wheel   20 Feb  5  9876ghj48t7uhe9fsdwq+ehs

[user] sh: drwxr-x---: not found

[user] alice@sek:~$ 
[assistant] whoami

[user] alice

[user] alice@sek:~$ 
[assistant] pwd

[user] /home/alice

[user] alice@sek:~$ 
[assistant] ls -l /etc | grep '^d'

[user] alice@sek:~$ 
[assistant] drwxr-x---  1 root     wheel   20 Feb  5  9876ghj48t7uhe9fsdwq+ehs

[user] sh: drwxr-x---: not found

[user] alice@sek:~$ 
[assistant] whoami

[user] alice

[user] alice@sek:~$ 
[assistant] pwd

[user] /home/alice

[user] alice@sek:~$ 
[assistant] ls -l /etc | grep '^d'

[user] alice@sek:~$ 
[assistant] drwxr-x---  1 root     wheel   20 Feb  5  9876ghj48t7uhe9fsdwq+ehs

[user] sh: drwxr-x---: not found

[user] alice@sek:~$ 
[assistant] whoami

[user] alice

[user] alice@sek:~$ 
[assistant] pwd

[user] /home/alice

[user] alice@sek:~$ 
[assistant] ls -l /etc | grep '^d'

[user] alice@sek:~$ 
[assistant] drwxr-x---  1 root     wheel   20 Feb  5  9876ghj48t7uhe9fsdwq+ehs

[user] sh: drwxr-x---: not found

[user] alice@sek:~$ 
[assistant] whoami

[user] alice

[user] alice@sek:~$ 
[assistant] pwd

[user] /home/alice

[user] alice@sek:~$ 
[assistant] ls -l /etc | grep '^d'

[user] alice@sek:~$ 
[assistant] drwxr-x---  1 root     wheel   20 Feb  5  9876ghj48t7uhe9fsdwq+ehs

[user] sh: drwxr-x---: not found

[user] alice@sek:~$ 
[assistant] whoami

[user] alice

[user] alice@sek:~$ 
[assistant] pwd

[user] /home/alice

[user] alice@sek:~$ 
[assistant] ls -l /etc | grep '^d'

[user] alice@sek:~$ 
[assistant] drwxr-x---  1 root     wheel   20 Feb  5  9876ghj48t7uhe9fsdwq+ehs

[user] sh: drwxr-x---: not found

[user] alice@sek:~$ 
[assistant] whoami

[user] alice

[user] alice@sek:~$ 
[assistant] pwd

[user] /home/alice

[user] alice@sek:~$ 
[assistant] ls -l /etc | grep '^d'

[user] alice@sek:~$ 
[assistant] drwxr-x---  1 root     wheel   20 Feb  5  9876ghj48t7uhe9fsdwq+ehs

[user] sh: drwxr-x---: not found

[user] alice@sek:~$ 
[assistant] whoami

[user] alice

[user] alice@sek:~$ 
[assistant] pwd

[user] /home/alice

[user] alice@sek:~$ 
[assistant] ls -l /etc | grep '^d'

[user] alice@sek:~$ 
[assistant] drwxr-x---  1 root     wheel   20 Feb  5  9876ghj48t7uhe9fsdwq+ehs

[user] sh: drwxr-x---: not found

[user] alice@sek:~$ 
[assistant] whoami

[user] alice

[user] alice@sek:~$ 
[assistant] pwd

[user] /home/alice

[user] alice@sek:~$ 
[assistant] ls -l /etc | grep '^d'

[user] alice@sek:~$ 
[assistant] drwxr-x---  1 root     wheel   20 Feb  5  9876ghj48t7uhe9fsdwq+ehs

[user] sh: drwxr-x---: not found

[user] alice@sek:~$ 
[assistant] whoami

[user] alice

[user] alice@sek:~$ 
[assistant] pwd

[user] /home/alice

[user] alice@sek:~$ 
[assistant] ls -l /etc | grep '^d'

[user] alice@sek:~$ 
[assistant] drwxr-x---  1 root     wheel   20 Feb  5  9876ghj48t7uhe9fsdwq+ehs

[user] sh: drwxr-x---: not found

[user] alice@sek:~$ 
[assistant] whoami

[user] alice

[user] alice@sek:~$ 
[assistant] pwd

[user] /home/alice

[user] alice@sek:~$ 
[assistant] ls -l /etc | grep '^d'

[user] alice@sek:~$ 
[assistant] drwxr-x---  1 root     wheel   20 Feb  5  9876ghj48t7uhe9fsdwq+ehs

[user] sh: drwxr-x---: not found

[user] alice@sek:~$ 
[assistant] whoami

[user] alice

[user] alice@sek:~$ 
[assistant] pwd

[user] /home/alice

[user] alice@sek:~$ 
[assistant] ls -l /etc | grep '^d'

[user] alice@sek:~$ 
[assistant] drwxr-x---  1 root     wheel   20 Feb  5  9876ghj48t7uhe9fsdwq+ehs

[user] sh: drwxr-x---: not found

[user] alice@sek:~$ 
[assistant] whoami

[user] alice

[user] alice@sek:~$ 
[assistant] pwd

[user] /home/alice

[user] alice@sek:~$ 
[assistant] ls -l /etc | grep '^d'

[user] alice@sek:~$ 
[assistant] drwxr-x---  1 root     wheel   20 Feb  5  9876ghj48t7uhe9fsdwq+ehs

[user] sh: drwxr-x---: not found

[user] alice@sek:~$ 
[assistant] whoami

[user] alice

[user] alice@sek:~$ 
[assistant] pwd

[user] /home/alice

[user] alice@sek:~$ 
[assistant] ls -l /etc | grep '^d'

[user] alice@sek:~$ 
[assistant] drwxr-x---  1 root     wheel   20 Feb  5  9876ghj48t7uhe9fsdwq+ehs

[user] sh: drwxr-x---: not found

[user] alice@sek:~$ 
[assistant] whoami

[user] alice

[user] alice@sek:~$ 
[assistant] pwd

[user] /home/alice

[user] alice@sek:~$ 
[assistant] ls -l /etc | grep '^d'

[user] alice@sek:~$ 
[assistant] drwxr-x---  1 root     wheel   20 Feb  5  9876ghj48t7uhe9fsdwq+ehs

[user] sh: drwxr-x---: not found

[user] alice@sek:~$ 
[assistant] whoami

[user] alice

[user] alice@sek:~$ 
[assistant] pwd

[user] /home/alice

[user] alice@sek:~$ 
[assistant] ls -l /etc | grep '^d'

[user] alice@sek:~$ 
[assistant] drwxr-x---  1 root     wheel   20 Feb  5  9876ghj48t7uhe9fsdwq+ehs

[user] sh: drwxr-x---: not found

[user] alice@sek:~$ 
[assistant] whoami

[user] alice

[user] alice@sek:~$ 
[assistant] pwd

[user] /home/alice

[user] alice@sek:~$ 
[assistant] ls -l /etc | grep '^d'

[user] alice@sek:~$ 
[assistant] drwxr-x---  1 root     wheel   20 Feb  5  9876ghj48t7uhe9fsdwq+ehs

[user] sh: drwxr-x---: not found

[user] alice@sek:~$ 
[assistant] whoami

[user] alice

[user] alice@sek:~$ 
[assistant] pwd

[user] /home/alice

[user] alice@sek:~$ 
[assistant] ls -l /etc | grep '^d'

[user] alice@sek:~$ 
[assistant] drwxr-x---  1 root     wheel   20 Feb  5  9876ghj48t7uhe9fsdwq+ehs

[user] sh: drwxr-x---: not found

[user] alice@sek:~$ 
[assistant] whoami

[user] alice

[user] alice@sek:~$ 
[assistant] pwd

[user] /home/alice

[user] alice@sek:~$ 
[assistant] ls -l /etc | grep '^d'

[user] alice@sek:~$ 
[assistant] drwxr-x---  1 root     wheel   20 Feb  5  9876ghj48t7uhe9fsdwq+ehs

[user] sh: drwxr-x---: not found

[user] alice@sek:~$ 
[assistant] whoami

[user] alice

[user] alice@sek:~$ 
[assistant] pwd

[user] /home/alice

[user] alice@sek:~$ 
[assistant] ls -l /etc | grep '^d'

[user] alice@sek:~$ 
[assistant] drwxr-x---  1 root     wheel   20 Feb  5  9876ghj48t7uhe9fsdwq+ehs

[user] sh: drwxr-x---: not found

[user] alice@sek:~$ 
[assistant] whoami

[user] alice

[user] alice@sek:~$ 
[assistant] pwd

[user] /home/alice

[user] alice@sek:~$ 
[assistant] ls -l /etc | grep '^d'

[user] alice@sek:~$ 
[assistant] drwxr-x---  1 root     wheel   20 Feb  5  9876ghj48t7uhe9fsdwq+ehs

[user] sh: drwxr-x---: not found

[user] alice@sek:~$ 
[assistant] whoami

[user] alice

[user] alice@sek:~$ 
[assistant] pwd

[user] /home/alice

[user] alice@sek:~$ 
[assistant] ls -l /etc | grep '^d'

[user] alice@sek:~$ 
[assistant] drwxr-x---  1 root     wheel   20 Feb  5  9876ghj48t7uhe9fsdwq+ehs

[user] sh: drwxr-x---: not found

[user] alice@sek:~$ 
[assistant] whoami

[user] alice

[user] alice@sek:~$ 
[assistant] pwd

[user] /home/alice

[user] alice@sek:~$ 
[assistant] ls -l /etc | grep '^d'

[user] alice@sek:~$ 
[assistant] drwxr-x---  1 root     wheel   20 Feb  5  9876ghj48t7uhe9fsdwq+ehs

[user] sh: drwxr-x---: not found

[user] alice@sek:~$ 
[assistant] whoami

[user] alice

[user] alice@sek:~$ 
[assistant] pwd

[user] /home/alice

[user] alice@sek:~$ 
[assistant] ls -l /etc | grep '^d'

[user] alice@sek:~$ 
[assistant] drwxr-x---  1 root     wheel   20 Feb  5  9876ghj48t7uhe9fsdwq+ehs

[user] sh: drwxr-x---: not found

[user] alice@sek:~$ 
[assistant] whoami

[user] alice

[user] alice@sek:~$ 
[assistant] pwd

[user] /home/alice

[user] alice@sek:~$ 
[assistant] ls -l /etc | grep '^d'

[user] alice@sek:~$ 
[assistant] drwxr-x---  1 root     wheel   20 Feb  5  9876ghj48t7uhe9fsdwq+ehs

[user] sh: drwxr-x---: not found

[user] alice@sek:~$ 
[assistant] whoami

[user] alice

[user] alice@sek:~$ 
[assistant] pwd

[user] /home/alice

[user] alice@sek:~$ 
[assistant] ls -l /etc | grep '^d'

[user] alice@sek:~$ 
[assistant] drwxr-x---  1 root     wheel   20 Feb  5  9876ghj48t7uhe9fsdwq+ehs

[user] sh: drwxr-x---: not found

[user] alice@sek:~$ 
[assistant] whoami

[user] alice

[user] alice@sek:~$ 
[assistant] pwd

[user] /home/alice

[user] alice@sek:~$ 
[assistant] ls -l /etc | grep '^d'

[user] alice@sek:~$ 
[assistant] drwxr-x---  1 root     wheel   20 Feb  5  9876ghj48t7uhe9fsdwq+ehs

[user] sh: drwxr-x---: not found

[user] alice@sek:~$ 
[assistant] whoami

[user] alice

[user] alice@sek:~$ 
[assistant] pwd

[user] /home/alice

[user] alice@sek:~$ 
[assistant] ls -l /etc | grep '^d'

[user] alice@sek:~$ 
[assistant] drwxr-x---  1 root     wheel   20 Feb  5  9876ghj48t7uhe9fsdwq+ehs

[user] sh: drwxr-x---: not found

[user] alice@sek:~$ 
[assistant] whoami

[user] alice

[user] alice@sek:~$ 
[assistant] pwd

[user] /home/alice

[user] alice@sek:~$ 
[assistant] ls -l /etc | grep '^d'

[user] alice@sek:~$ 
[assistant] drwxr-x---  1 root     wheel   20 Feb  5  9876ghj48t7uhe9fsdwq+ehs

[user] sh: drwxr-x---: not found

[user] alice@sek:~$ 
[assistant] whoami

[user] alice

[user] alice@sek:~$ 
[assistant] pwd

[user] /home/alice

[user] alice@sek:~$ 
[assistant] ls -l /etc | grep '^d'

[user] alice@sek:~$ 
[assistant] drwxr-x---  1 root     wheel   20 Feb  5  9876ghj48t7uhe9fsdwq+ehs

[user] sh: drwxr-x---: not found

[user] alice@sek:~$ 
[assistant] whoami

[user] alice

[user] alice@sek:~$ 
[assistant] pwd

[user] /home/alice

[user] alice@sek:~$ 
[assistant] ls -l /etc | grep '^d'

[user] alice@sek:~$ 
[assistant] drwxr-x---  1 root     wheel   20 Feb  5  9876ghj48t7uhe9fsdwq+ehs

[user] sh: drwxr-x---: not found

[user] alice@sek:~$ 
[assistant] whoami

[user] alice

[user] alice@sek:~$ 
[assistant] pwd

[user] /home/alice

[user] alice@sek:~$ 
[assistant] ls -l /etc | grep '^d'

[user] alice@sek:~$ 
[assistant] drwxr-x---  1 root     wheel   20 Feb  5  9876ghj48t7uhe9fsdwq+ehs

[user] sh: drwxr-x---: not found

[user] alice@sek:~$ 
[assistant] whoami

[user] alice

[user] alice@sek:~$ 
[assistant] pwd

[user] /home/alice

[user] alice@sek:~$ 
[assistant] ls -l /etc | grep '^d'

[user] alice@sek:~$ 
[assistant] drwxr-x---  1 root     wheel   20 Feb  5  9876ghj48t7uhe9fsdwq+ehs

[user] sh: drwxr-x---: not found

[user] alice@sek:~$ 
[assistant] whoami

[user] alice

[user] alice@sek:~$ 
[assistant] pwd

[user] /home/alice

[user] alice@sek:~$ 
[assistant] ls -l /etc | grep '^d'

[user] alice@sek:~$ 
[assistant] drwxr-x---  1 root     wheel   20 Feb  5  9876ghj48t7uhe9fsdwq+ehs

[user] sh: drwxr-x---: not found

[user] alice@sek:~$ 
[assistant] whoami

[user] alice

[user] alice@sek:~$ 
[assistant] pwd

[user] /home/alice

[user] alice@sek:~$ 
[assistant] ls -l /etc | grep '^d'

[user] alice@sek:~$ 
[assistant] drwxr-x---  1 root     wheel   20 Feb  5  9876ghj48t7uhe9fsdwq+ehs

[user] sh: drwxr-x---: not found

[user] alice@sek:~$ 
[assistant] whoami

[user] alice

[user] alice@sek:~$ 
[assistant] pwd

[user] /home/alice

[user] alice@sek:~$ 
[assistant] ls -l /etc | grep '^d'

[user] alice@sek:~$ 
[assistant] drwxr-x---  1 root     wheel   20 Feb  5  9876ghj48t7uhe9fsdwq+ehs

[user] sh: drwxr-x---: not found

[user] alice@sek:~$ 
[assistant] whoami

[user] alice

[user] alice@sek:~$ 
[assistant] pwd

[user] /home/alice

[user] alice@sek:~$ 
[assistant] ls -l /etc | grep '^d'

[user] alice@sek:~$ 
[assistant] drwxr-x---  1 root     wheel   20 Feb  5  9876ghj48t7uhe9fsdwq+ehs

[user] sh: drwxr-x---: not found

[user] alice@sek:~$ 
[assistant] whoami

[user] alice

[user] alice@sek:~$ 
[assistant] pwd

[user] /home/alice

[user] alice@sek:~$ 
[assistant] ls -l /etc | grep '^d'

[user] alice@sek:~$ 
[assistant] drwxr-x---  1 root     wheel   20 Feb  5  9876ghj48t7uhe9fsdwq+ehs

[user] sh: drwxr-x---: not found

[user] alice@sek:~$ 
root@sek:~# 