====== lsof ======

** Show networking on a port **

<code>
lsof -iTCP -i :port
lsof -i :22
</code>

** Show connections to a host **

<code>
lsof -i@192.16­8.1.5
</code>

** Find ports that are being listened to **

<code>
lsof -i | grep LISTEN
</code>

** Find files open by user **

<code>
lsof -u <us­er>
</code>

** Find files open by command **

<code>
lsof -c <co­mma­nd>
</code>

** Find files open by proccess id **

<code>
lsof -p <pi­d>
</code>