[MacBook ~]$ mail kotz@cs
Subject: hello from class!
mail message here.
yes, not much going on.
wish people would ask questions.
bye!
EOT
[MacBook ~]$ ssh kotz@flume.cs.dartmouth.edu
Last login: Sun Mar 26 22:04:56 2017 from 198.55.237.247
[kotz@flume ~]$ ls
2  cs50/  old/	public_html/
[kotz@flume ~]$ ls cs50
labs/
[kotz@flume ~]$ cd cs50
[kotz@flume ~/cs50]$ ls
labs/
[kotz@flume ~/cs50]$ ls labs
lab1/
[kotz@flume ~/cs50]$ ls labs/lab1
dir/  foo
[kotz@flume ~/cs50]$ ls -l labs/lab1
total 8
drwxr-xr-x 2 kotz root 4096 Mar 27 11:14 dir/
-rw-r--r-- 1 kotz root    1 Mar 27 11:14 foo
[kotz@flume ~/cs50]$ man ls
[kotz@flume ~/cs50]$ cd labs
[kotz@flume ~/cs50/labs]$ ls lab1
dir/  foo
[kotz@flume ~/cs50/labs]$ ls /u/kotz/cs50/labs/lab1
dir/  foo
[kotz@flume ~/cs50/labs]$ man ls
[kotz@flume ~/cs50/labs]$ cd 
[kotz@flume ~]$ cd hsdkjfhskjdhkg
-bash: cd: hsdkjfhskjdhkg: No such file or directory
[kotz@flume ~]$ ls
2  cs50/  old/	public_html/
[kotz@flume ~]$ cd 2
-bash: cd: 2: Not a directory
[kotz@flume ~]$ logout
Connection to flume.cs.dartmouth.edu closed.
[MacBook ~]$ l
bash: l: command not found
[MacBook ~]$ 
[MacBook ~]$ 
[MacBook ~]$ 
[MacBook ~]$ 
[MacBook ~]$ 
[MacBook ~]$ 
[MacBook ~]$ cd cs50
[MacBook ~/cs50]$ cd website/
[MacBook ~/cs50/website]$ ls
50.png		Makefile	Schedule.pdf	_includes/	examples/
Comics/		Makefile~	Schedule.xlsx	_layouts/	index.md
Labs/		README.md	_config-base	_sass/
Lectures/	Reading/	_config-cs	_site/
Logistics/	Resources/	_config-local	css/
[MacBook ~/cs50/website]$ open Schedule.pdf
[MacBook ~/cs50/website]$ open css
[MacBook ~/cs50/website]$