LSOF Commands Cheat Sheet
Here is a cli commands cheat sheet for LSOF command, you can use this as a quick reminder for basic commands with a brief description for each of the commands.
What is LSOF command?
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# To list all IPv4 network files:
sudo lsof -i4
# To list all IPv6 network files:
sudo lsof -i6
# To list all open sockets:
lsof -i
# To list all listening ports:
lsof -Pnl +M -i4
# To find which program is using the port 80:
lsof -i TCP:80
# To list all connections to a specific host:
lsof [email protected]
# To list all processes accessing a particular file/directory:
lsof
# To list all files open for a particular user:
lsof -u
# To list all files/network connections a command is using:
lsof -c
# To list all files a process has open:
lsof -p
# To list all files open mounted at /mount/point:
# (Particularly useful for finding which process(es) are using a mounted USB stick or CD/DVD.)
lsof +f --
Check out the LSOF command documentation .
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