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] ./hey.sh hello_world

[user] sh: ./hey.sh: not found

[user] alice@sek:~$ 
[assistant] touch hey.sh

[user] alice@sek:~$ 
[assistant] chmod +x hey.sh hello_world

[user] sh: chmod: unrecognized arguments: hello_world

[user] alice@sek:~$ 
[assistant] cat << EOF >hey.sh

[assistant] echo "hello"

[user] alice@sek:~$ 
[assistant] ./hey.sh hello_world

[user] sh: ./hey.sh: not found

[user] alice@sek:~$ 
[assistant] cat << EOF >hey.sh

[user] alice@sek:~$ 
[assistant] chmod +x hey.sh hello_world

[user] sh: chmod: unrecognized arguments: hello_world

[user] alice@sek:~$ 
[assistant] ./hey.sh

[user] sh: ./hey.sh: not found

[user] alice@sek:~$ 
[assistant] cat << EOF >hello.sh

[user] alice@sek:~$ 
[assistant] chmod +x hello.sh hello_world

[user] sh: chmod: unrecognized arguments: hello_world

[user] alice@sek:~$ 
[assistant] ./hello.sh

[user] sh: ./hello.sh: not found

[user] alice@sek:~$ 
[assistant] cat << EOF >hello.sh

[user] alice@sek:~$ 
[assistant] chmod +x hello.sh hello_world

[user] sh: chmod: unrecognized arguments: hello_world

[user] alice@sek:~$ 
[assistant] ./hello.sh

[user] sh: ./hello.sh: not found

[user] alice@sek:~$ 
[assistant] cat << EOF >hello.sh

[user] alice@sek:~$ 
[assistant] chmod +x hello.sh hello_world

[user] sh: chmod: unrecognized arguments: hello_world

[user] alice@sek:~$ 
[assistant] ./hello.sh

[user] sh: ./hello.sh: not found

[user] alice@sek:~$ 
[assistant] cat << EOF >hello.sh

[user] alice@sek:~$ 
[assistant] chmod +x hello.sh hello_world

[user] sh: chmod: unrecognized arguments: hello_world

[user] alice@sek:~$ 
[assistant] ./hello.sh

[user] sh: ./hello.sh: not found

[user] alice@sek:~$ 
[assistant] cat << EOF >hello.sh

[user] alice@sek:~$ 
[assistant] chmod +x hello.sh hello_world

[user] sh: chmod: unrecognized arguments: hello_world

[user] alice@sek:~$ 
[assistant] ./hello.sh

[user] sh: ./hello.sh: not found

[user] alice@sek:~$ 
[assistant] cat << EOF >hello.sh

[user] alice@sek:~$ 
[assistant] chmod +x hello.sh hello_world

[user] sh: chmod: unrecognized arguments: hello_world

[user] alice@sek:~$ 
[assistant] ./hello.sh

[user] sh: ./hello.sh: not found

[user] alice@sek:~$ 
[assistant] cat << EOF >hello.sh

[user] alice@sek:~$ 
[assistant] chmod +x hello.sh hello_world

[user] sh: chmod: unrecognized arguments: hello_world

[user] alice@sek:~$ 
[assistant] ./hello.sh

[user] sh: ./hello.sh: not found

[user] alice@sek:~$ 
[assistant] cat << EOF >hello.sh

[user] alice@sek:~$ 
[assistant] chmod +x hello.sh hello_world

[user] sh: chmod: unrecognized arguments: hello_world

[user] alice@sek:~$ 
[assistant] ./hello.sh

[user] sh: ./hello.sh: not found

[user] alice@sek:~$ 
[assistant] cat << EOF >hello.sh

[user] alice@sek:~$ 
[assistant] chmod +x hello.sh hello_world

[user] sh: chmod: unrecognized arguments: hello_world

[user] alice@sek:~$ 
[assistant] ./hello.sh

[user] sh: ./hello.sh: not found

[user] alice@sek:~$ 
[assistant] cat << EOF >hello.sh

[user] alice@sek:~$ 
[assistant] chmod +x hello.sh hello_world

[user] sh: chmod: unrecognized arguments: hello_world

[user] alice@sek:~$ 
[assistant] ./hello.sh

[user] sh: ./hello.sh: not found

[user] alice@sek:~$ 
[assistant] cat << EOF >hello.sh

[user] alice@sek:~$ 
[assistant] chmod +x hello.sh hello_world

[user] sh: chmod: unrecognized arguments: hello_world

[user] alice@sek:~$ 
[assistant] ./hello.sh

[user] sh: ./hello.sh: not found

[user] alice@sek:~$ 
[assistant] cat << EOF >hello.sh

[user] alice@sek:~$ 
[assistant] chmod +x hello.sh hello_world

[user] sh: chmod: unrecognized arguments: hello_world

[user] alice@sek:~$ 
[assistant] ./hello.sh

[user] sh: ./hello.sh: not found

[user] alice@sek:~$ 
[assistant] cat << EOF >hello.sh

[user] alice@sek:~$ 
[assistant] chmod +x hello.sh hello_world

[user] sh: chmod: unrecognized arguments: hello_world

[user] alice@sek:~$ 
[assistant] ./hello.sh

[user] sh: ./hello.sh: not found

[user] alice@sek:~$ 
[assistant] cat << EOF >hello.sh

[user] alice@sek:~$ 
[assistant] chmod +x hello.sh hello_world

[user] sh: chmod: unrecognized arguments: hello_world

[user] alice@sek:~$ 
[assistant] ./hello.sh

[user] sh: ./hello.sh: not found

[user] alice@sek:~$ 
[assistant] cat << EOF >hello.sh

[user] alice@sek:~$ 
[assistant] chmod +x hello.sh hello_world

[user] sh: chmod: unrecognized arguments: hello_world

[user] alice@sek:~$ 
[assistant] ./hello.sh

[user] sh: ./hello.sh: not found

[user] alice@sek:~$ 
[assistant] cat << EOF >hello.sh

[user] alice@sek:~$ 
[assistant] chmod +x hello.sh hello_world

[user] sh: chmod: unrecognized arguments: hello_world

[user] alice@sek:~$ 
[assistant] ./hello.sh

[user] sh: ./hello.sh: not found

[user] alice@sek:~$ 
[assistant] cat << EOF >hello.sh

[user] alice@sek:~$ 
[assistant] chmod +x hello.sh hello_world

[user] sh: chmod: unrecognized arguments: hello_world

[user] alice@sek:~$ 
[assistant] ./hello.sh

[user] sh: ./hello.sh: not found

[user] alice@sek:~$ 
[assistant] cat << EOF >hello.sh

[user] alice@sek:~$ 
[assistant] chmod +x hello.sh hello_world

[user] sh: chmod: unrecognized arguments: hello_world

[user] alice@sek:~$ 
[assistant] ./hello.sh

[user] sh: ./hello.sh: not found

[user] alice@sek:~$ 
[assistant] cat << EOF >hello.sh

[user] alice@sek:~$ 
[assistant] chmod +x hello.sh hello_world

[user] sh: chmod: unrecognized arguments: hello_world

[user] alice@sek:~$ 
[assistant] ./hello.sh

[user] sh: ./hello.sh: not found

[user] alice@sek:~$ 
[assistant] cat << EOF >hello.sh

[user] alice@sek:~$ 
[assistant] chmod +x hello.sh hello_world

[user] sh: chmod: unrecognized arguments: hello_world

[user] alice@sek:~$ 
[assistant] ./hello.sh

[user] sh: ./hello.sh: not found

[user] alice@sek:~$ 
[assistant] cat << EOF >hello.sh

[user] alice@sek:~$ 
[assistant] chmod +x hello.sh hello_world

[user] sh: chmod: unrecognized arguments: hello_world

[user] alice@sek:~$ 
[assistant] ./hello.sh

[user] sh: ./hello.sh: not found

[user] alice@sek:~$ 
[assistant] cat << EOF >hello.sh

[user] alice@sek:~$ 
[assistant] chmod +x hello.sh hello_world

[user] sh: chmod: unrecognized arguments: hello_world

[user] alice@sek:~$ 
[assistant] ./hello.sh

[user] sh: ./hello.sh: not found

[user] alice@sek:~$ 
[assistant] cat << EOF >hello.sh

[user] alice@sek:~$ 
[assistant] chmod +x hello.sh

[user] sh: chmod: invalid literal for int() with base 8: '+x'

[user] alice@sek:~$ 
[assistant] ./hello.sh

[user] sh: ./hello.sh: not found

[user] alice@sek:~$ 
[assistant] cat << EOF >hello.sh

[user] alice@sek:~$ 
[assistant] chmod +x hello.sh

[user] sh: chmod: invalid literal for int() with base 8: '+x'

[user] alice@sek:~$ 
[assistant] ./hello.sh

[user] sh: ./hello.sh: not found

[user] alice@sek:~$ 
[assistant] cat << EOF >hello.sh

[user] alice@sek:~$ 
[assistant] chmod +x hello.sh

[user] sh: chmod: invalid literal for int() with base 8: '+x'

[user] alice@sek:~$ 
[assistant] ./hello.sh

[user] sh: ./hello.sh: not found

[user] alice@sek:~$ 
[assistant] cat << EOF >hello.sh

[user] alice@sek:~$ 
[assistant] chmod +x hello.sh

[user] sh: chmod: invalid literal for int() with base 8: '+x'

[user] alice@sek:~$ 
[assistant] ./hello.sh

[user] sh: ./hello.sh: not found

[user] alice@sek:~$ 
[assistant] cat << EOF >hello.sh

[user] alice@sek:~$ 
[assistant] chmod +x hello.sh

[user] sh: chmod: invalid literal for int() with base 8: '+x'

[user] alice@sek:~$ 
[assistant] ./hello.sh

[user] sh: ./hello.sh: not found

[user] alice@sek:~$ 
[assistant] cat << EOF >hello.sh

[user] alice@sek:~$ 
[assistant] chmod +x hello.sh

[user] sh: chmod: invalid literal for int() with base 8: '+x'

[user] alice@sek:~$ 
[assistant] ./hello.sh

[user] sh: ./hello.sh: not found

[user] alice@sek:~$ 
[assistant] cat << EOF >hello.sh

[user] alice@sek:~$ 
[assistant] chmod +x hello.sh

[user] sh: chmod: invalid literal for int() with base 8: '+x'

[user] alice@sek:~$ 
[assistant] ./hello.sh

[user] sh: ./hello.sh: not found

[user] alice@sek:~$ 
[assistant] cat << EOF >hello.sh

[user] alice@sek:~$ 
[assistant] chmod +x hello.sh

[user] sh: chmod: invalid literal for int() with base 8: '+x'

[user] alice@sek:~$ 
[assistant] ./hello.sh

[user] sh: ./hello.sh: not found

[user] alice@sek:~$ 
[assistant] cat << EOF >hello.sh

[user] alice@sek:~$ 
[assistant] chmod +x hello.sh

[user] sh: chmod: invalid literal for int() with base 8: '+x'

[user] alice@sek:~$ 
[assistant] ./hello.sh

[user] sh: ./hello.sh: not found

[user] alice@sek:~$ 
[assistant] cat << EOF >hello.sh

[user] alice@sek:~$ 
[assistant] chmod +x hello.sh

[user] sh: chmod: invalid literal for int() with base 8: '+x'

[user] alice@sek:~$ 
[assistant] ./hello.sh

[user] sh: ./hello.sh: not found

[user] alice@sek:~$ 
[assistant] cat << EOF >hello.sh

[user] alice@sek:~$ 
[assistant] chmod +x hello.sh

[user] sh: chmod: invalid literal for int() with base 8: '+x'

[user] alice@sek:~$ 
[assistant] ./hello.sh

[user] sh: ./hello.sh: not found

[user] alice@sek:~$ 
[assistant] cat << EOF >hello.sh

[user] alice@sek:~$ 
[assistant] chmod +x hello.sh

[user] sh: chmod: invalid literal for int() with base 8: '+x'

[user] alice@sek:~$ 
[assistant] ./hello.sh

[user] sh: ./hello.sh: not found

[user] alice@sek:~$ 
[assistant] cat << EOF >hello.sh

[user] alice@sek:~$ 
[assistant] chmod +x hello.sh

[user] sh: chmod: invalid literal for int() with base 8: '+x'

[user] alice@sek:~$ 
[assistant] ./hello.sh

[user] sh: ./hello.sh: not found

[user] alice@sek:~$ 
[assistant] cat << EOF >hello.sh

[user] alice@sek:~$ 
[assistant] chmod +x hello.sh

[user] sh: chmod: invalid literal for int() with base 8: '+x'

[user] alice@sek:~$ 
[assistant] ./hello.sh

[user] sh: ./hello.sh: not found

[user] alice@sek:~$ 
[assistant] cat << EOF >hello.sh

[user] alice@sek:~$ 
[assistant] chmod +x hello.sh

[user] sh: chmod: invalid literal for int() with base 8: '+x'

[user] alice@sek:~$ 
[assistant] ./hello.sh

[user] sh: ./hello.sh: not found

[user] alice@sek:~$ 
[assistant] cat << EOF >hello.sh

[user] alice@sek:~$ 
[assistant] chmod +x hello.sh

[user] sh: chmod: invalid literal for int() with base 8: '+x'

[user] alice@sek:~$ 
[assistant] ./hello.sh

[user] sh: ./hello.sh: not found

[user] alice@sek:~$ 
[assistant] cat << EOF >hello.sh

[user] alice@sek:~$ 
[assistant] chmod +x hello.sh

[user] sh: chmod: invalid literal for int() with base 8: '+x'

[user] alice@sek:~$ 
[assistant] ./hello.sh

[user] sh: ./hello.sh: not found

[user] alice@sek:~$ 
[assistant] cat << EOF >hello.sh

[user] alice@sek:~$ 
[assistant] chmod +x hello.sh

[user] sh: chmod: invalid literal for int() with base 8: '+x'

[user] alice@sek:~$ 
[assistant] ./hello.sh

[user] sh: ./hello.sh: not found

[user] alice@sek:~$ 
[assistant] cat << EOF >hello.sh

[user] alice@sek:~$ 
[assistant] chmod +x hello.sh

[user] sh: chmod: invalid literal for int() with base 8: '+x'

[user] alice@sek:~$ 
[assistant] ./hello.sh

[user] sh: ./hello.sh: not found

[user] alice@sek:~$ 
[assistant] cat << EOF >hello.sh

[user] alice@sek:~$ 
[assistant] chmod +x hello.sh

[user] sh: chmod: invalid literal for int() with base 8: '+x'

[user] alice@sek:~$ 
[assistant] ./hello.sh

[user] sh: ./hello.sh: not found

[user] alice@sek:~$ 
[assistant] cat << EOF >hello.sh

[user] alice@sek:~$ 
[assistant] chmod +x hello.sh

[user] sh: chmod: invalid literal for int() with base 8: '+x'

[user] alice@sek:~$ 
[assistant] ./hello.sh

[user] sh: ./hello.sh: not found

[user] alice@sek:~$ 
[assistant] cat << EOF >hello.sh

[user] alice@sek:~$ 
[assistant] chmod +x hello.sh

[user] sh: chmod: invalid literal for int() with base 8: '+x'

[user] alice@sek:~$ 
[assistant] ./hello.sh

[user] sh: ./hello.sh: not found

[user] alice@sek:~$ 
[assistant] cat << EOF >hello.sh

[user] alice@sek:~$ 
[assistant] chmod +x hello.sh

[user] sh: chmod: invalid literal for int() with base 8: '+x'

[user] alice@sek:~$ 
[assistant] ./hello.sh

[user] sh: ./hello.sh: not found

[user] alice@sek:~$ 
[assistant] cat << EOF >hello.sh

[user] alice@sek:~$ 
[assistant] chmod +x hello.sh

[user] sh: chmod: invalid literal for int() with base 8: '+x'

[user] alice@sek:~$ 
[assistant] ./hello.sh

[user] sh: ./hello.sh: not found

[user] alice@sek:~$ 
[assistant] cat << EOF >hello.sh

[user] alice@sek:~$ 
[assistant] chmod +x hello.sh

[user] sh: chmod: invalid literal for int() with base 8: '+x'

[user] alice@sek:~$ 
[assistant] ./hello.sh

[user] sh: ./hello.sh: not found

[user] alice@sek:~$ 
[assistant] cat << EOF >hello.sh

[user] alice@sek:~$ 
[assistant] chmod +x hello.sh

[user] sh: chmod: invalid literal for int() with base 8: '+x'

[user] alice@sek:~$ 
[assistant] ./hello.sh

[user] sh: ./hello.sh: not found

[user] alice@sek:~$ 
[assistant] cat << EOF >hello.sh

[user] alice@sek:~$ 
[assistant] chmod +x hello.sh

[user] sh: chmod: invalid literal for int() with base 8: '+x'

[user] alice@sek:~$ 
[assistant] ./hello.sh

[user] sh: ./hello.sh: not found

[user] alice@sek:~$ 
[assistant] cat << EOF >hello.sh

[user] alice@sek:~$ 
[assistant] chmod +x hello.sh

[user] sh: chmod: invalid literal for int() with base 8: '+x'

[user] alice@sek:~$ 
[assistant] ./hello.sh

[user] sh: ./hello.sh: not found

[user] alice@sek:~$ 
[assistant] cat << EOF >hello.sh

[user] alice@sek:~$ 
[assistant] chmod +x hello.sh

[user] sh: chmod: invalid literal for int() with base 8: '+x'

[user] alice@sek:~$ 
[assistant] ./hello.sh

[user] sh: ./hello.sh: not found

[user] alice@sek:~$ 
[assistant] cat << EOF >hello.sh

[user] alice@sek:~$ 
[assistant] chmod +x hello.sh

[user] sh: chmod: invalid literal for int() with base 8: '+x'

[user] alice@sek:~$ 
[assistant] ./hello.sh

[user] sh: ./hello.sh: not found

[user] alice@sek:~$ 
[assistant] cat << EOF >hello.sh

[user] alice@sek:~$ 
[assistant] chmod +x hello.sh

[user] sh: chmod: invalid literal for int() with base 8: '+x'

[user] alice@sek:~$ 
[assistant] ./hello.sh

[user] sh: ./hello.sh: not found

[user] alice@sek:~$ 
[assistant] cat << EOF >hello.sh

[user] alice@sek:~$ 
[assistant] chmod +x hello.sh

[user] sh: chmod: invalid literal for int() with base 8: '+x'

[user] alice@sek:~$ 
[assistant] ./hello.sh

[user] sh: ./hello.sh: not found

[user] alice@sek:~$ 
[assistant] cat << EOF >hello.sh

[user] alice@sek:~$ 
[assistant] chmod +x hello.sh

[user] sh: chmod: invalid literal for int() with base 8: '+x'

[user] alice@sek:~$ 
[assistant] ./hello.sh

[user] sh: ./hello.sh: not found

[user] alice@sek:~$ 
[assistant] cat << EOF >hello.sh

[user] alice@sek:~$ 
[assistant] chmod +x hello.sh

[user] sh: chmod: invalid literal for int() with base 8: '+x'

[user] alice@sek:~$ 
[assistant] ./hello.sh

[user] sh: ./hello.sh: not found

[user] alice@sek:~$ 
[assistant] cat << EOF >hello.sh

[user] alice@sek:~$ 
[assistant] chmod +x hello.sh

[user] sh: chmod: invalid literal for int() with base 8: '+x'

[user] alice@sek:~$ 
[assistant] ./hello.sh

[user] sh: ./hello.sh: not found

[user] alice@sek:~$ 
[assistant] cat << EOF >hello.sh

[user] alice@sek:~$ 
[assistant] chmod +x hello.sh

[user] sh: chmod: invalid literal for int() with base 8: '+x'

[user] alice@sek:~$ 
[assistant] ./hello.sh

[user] sh: ./hello.sh: not found

[user] alice@sek:~$ 
[assistant] cat << EOF >hello.sh

[user] alice@sek:~$ 
[assistant] chmod +x hello.sh

[user] sh: chmod: invalid literal for int() with base 8: '+x'

[user] alice@sek:~$ 
[assistant] ./hello.sh

[user] sh: ./hello.sh: not found

[user] alice@sek:~$ 
[assistant] cat << EOF >hello.sh

[user] alice@sek:~$ 
[assistant] chmod +x hello.sh

[user] sh: chmod: invalid literal for int() with base 8: '+x'

[user] alice@sek:~$ 
[assistant] ./hello.sh

[user] sh: ./hello.sh: not found

[user] alice@sek:~$ 
[assistant] cat << EOF >hello.sh

[user] alice@sek:~$ 
[assistant] chmod +x hello.sh

[user] sh: chmod: invalid literal for int() with base 8: '+x'

[user] alice@sek:~$ 
[assistant] ./hello.sh

[user] sh: ./hello.sh: not found

[user] alice@sek:~$ 
[assistant] cat << EOF >hello.sh

[user] alice@sek:~$ 
[assistant] chmod +x hello.sh

[user] sh: chmod: invalid literal for int() with base 8: '+x'

[user] alice@sek:~$ 
[assistant] ./hello.sh

[user] sh: ./hello.sh: not found

[user] alice@sek:~$ 
[assistant] cat << EOF >hello.sh

[user] alice@sek:~$ 
[assistant] chmod +x hello.sh

[user] sh: chmod: invalid literal for int() with base 8: '+x'

[user] alice@sek:~$ 
[assistant] ./hello.sh

[user] sh: ./hello.sh: not found

[user] alice@sek:~$ 
[assistant] cat << EOF >hello.sh

[user] alice@sek:~$ 
[assistant] chmod +x hello.sh

[user] sh: chmod: invalid literal for int() with base 8: '+x'

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