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`
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- server stay up after client detach
`nc -k -l {{port}}`
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- client stay up after EOF
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`nc -q {{timeout}} {{ip_address}}`