CopyFileBits - copy file content from a to b differs from CopyFile in: - does not do permissions - new files created with 0644 - if src is a symlink, copies content, not link.

Copy one file to a new path, i.e.

https://stackoverflow.com/questions/21018729/generate-mac-address-in-go.

XDG_CONFIG_HOME.

XDG_DATA_HOME.

XDG_RUNTIME_DIR.

XDG_STATE_HOME.

LinuxUnixSocketMaxLen - 108 chars max for a unix socket path (including null byte).

TODO: Rename fields.