tldr/pages/common/nc.md

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# nc
> Reads and writes tcp or udp data.
- Listen on a specified port:
`nc -l {{port}}`
- Connect to a certain port (you can then write to this port):
`nc {{ip_address}} {{port}}`
- Set a timeout:
`nc -w {{timeout_in_seconds}} {{ipaddress}} {{port}}`
- Serve a file:
`cat somefile.txt | nc -l {{port}}`
- Receive a file:
`nc {{ip_address}} {{port}} > somefile.txt`
- Server stay up after client detach:
`nc -k -l {{port}}`
- Client stay up after EOF:
`nc -q {{timeout}} {{ip_address}}`