2 copies of magtape bootstrap (2 blocks total)
A file to console copy program
A dump of all commands that live in subdirectories
A dump of the rest of /usr/src/cmd
A dump of the rest of /usr/src
A dump of /usr excepting src, doc, man, dict, and sys.
A dump of /usr/man, /usr/dict, and /usr/sys.
/usr/sys/ is the system source.