> ## Documentation Index > Fetch the complete documentation index at: https://site.aspect.build/llms.txt > Use this file to discover all available pages before exploring further. # Unix `function` **Unix.connect** 
        
          def Unix.connect(
          path: str,
          /,
          \*,
          timeout\_ms: None | int = None
          ) -> std.net.UnixStream
Connect to the Unix-domain socket at `path`, within `timeout_ms`; `None` waits as long as the OS does. A missing socket raises `std.io.Error` with `kind == "not_found"`. `function` **Unix.listen** 
        
          def Unix.listen(
          path: str,
          /
          ) -> std.net.UnixListener
Listen on a new Unix-domain socket at `path`. A file already at `path`, such as one a crashed listener left behind, fails it with `kind == "addr_in_use"`: remove it first if it is stale. `function` **Unix.try\_connect** 
        
          def Unix.try\_connect(
          path: str,
          /,
          \*,
          timeout\_ms: None | int = None
          ) -> (None | std.io.Error, None | std.net.UnixStream)
`connect`, returning an `(err, stream)` pair instead of raising a `std.io.Error`. `function` **Unix.try\_listen** 
        
          def Unix.try\_listen(
          path: str,
          /
          ) -> (None | std.io.Error, None | std.net.UnixListener)
`listen`, returning an `(err, listener)` pair instead of raising a `std.io.Error`.