Is there a Java library of Unix functions?

Question

I am looking for a Java library to interface with standard Unix functions, i.e. stat(), getpwuid(), readlink().

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Answer 1

I don't know any library with the Unix functions.

for most of the functions, I believe, you can use the standard Java API to do what you want. for example, there's no need to use the command ls to read the files of some directory. but in some specific cases, like stat (to find out if a file is a link) you have to use JNI.