They ( i . e ., Massachusetts Institute of Technology ) still claim it s a monstrous success, but it just clearly wasn't . " He admits, however, that " the things that I liked enough ( about Multics ) to actually take were the hierarchical file system and the shell a separate process that you can replace with some other process ."
32.
The Mac Plus has 128 KB of ROM on the motherboard, which is double the amount of ROM that's in previous Macs; the then-new System software and ROMs included routines to support SCSI, the then-new 800 KB floppy drive, and the Hierarchical File System ( HFS ), which uses a true directory structure on disks ( as opposed to the earlier MFS, Macintosh File System in which all files were stored in a single directory, with one level of pseudo-folders overlaid on them ).
