The file

	SRC-m3.3.N.b.tar.gz

contains a precompiled version of DEC-SRC's Modula-3 compiler
release 3.3.

The executables are compiled for NeXTSTEP 3.2 M68K (black hardware).

To unpack the archive, su to root and execute the following
command:

	gunzip -c SRC-m3.3.N.b.tar.gz | (cd /; tar xvf -)

This will unpack the archive in the standard places under
/usr/local/{lib,man,bin}/...