Network Transmission protocol-how do php programmers know about Unix system programming, network communication programming, asynchronous io, and so on?

Due to the characteristics of php, many php users only know website development related knowledge, but now they have swoole and workman extensions, so I would like to ask about this kind of knowledge about [Unix system programming, network communication programming, asynchronous io, multithreading]. if you want to learn, from php programmers... due to the characteristics of php, many php users only know website development related knowledge, but now they have swoole and workman extensions, so I would like to ask about this kind of knowledge about [Unix system programming, network communication programming, asynchronous io, multithreading]. if you want to learn it, give it a learning path from the perspective of php programmers, thank you.

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Due to the characteristics of php, many php users only know website development related knowledge, but now they have swoole and workman extensions, so I would like to ask about this kind of knowledge about [Unix system programming, network communication programming, asynchronous io, multithreading]. if you want to learn it, give it a learning path from the perspective of php programmers, thank you.

Advanced Programming in UNIX environment
UNIX Network Programming, Volume 1, Volume 2
TCP/IP details
In-depth understanding of computer systems
....

The Bible UNIX Advanced Programming