This directory contains an improved loader. Improvements are
  - large files can be handled
  - -o flag
  - unique l.out
  - library in /usr/lib allowed
  - increased symbol table
  - mode 755 for load files
  - temporary files in /usr/tmp
All changes are easy to find in the sources, so you can undo the changes
you do not like

The changes necessary for pc are:
  - large files
  - -o flag (not absolutely necessary, but it makes life easier)
  - increased symbol table
