Screen

Detach from a session: ctrl-a, ctrl-d

Docker

Detach from a container ctrl-p, ctrl-q

Misc

Loop on cli (bash):

for i in `seq 10`; do echo "myserver_$i"; done

List tcp listeners with their pids on Mac (nestat -nato equiv on linux):

sudo lsof -iTCP -sTCP:LISTEN -n -P

Bring background process to foreground

fg

Copy/Paste in cli

> pwd | pbcopy

> pbpaste