End of Life Ruby 3.1 has reached end of life and gets no more fixes. Switch to Ruby 4.0 →
module · Ruby 3.1
Process::Sys
15 class methods
The Process::Sys module contains UID and GID functions which provide direct bindings to the system calls of the same names instead of the more-portable versions of the same functionality found in the Process, Process::UID, and Process::GID modules.