screen
command: screen
(create a screen); ctrl+a d
(detach the screen); screen -r
(get a screen back)
du -h --max-depth=1
Edit
-> Account Settings
-> Outgoing Server (SMTP)
, set Server Name
to smtp.gmail.com
, select use name and password
, input your gmail address, do NOT use secure authentication
, set Connection security
to SSL/TLS