The following lessons all contain references to the System Identifier:
dstmods (deadstart modifications)
edit
Block 2-c 'edit' security bypass
notesys
Block 3-b 'options'
oncall
Block 1-d 'ieu'
operator
Block 1-f 'entry/exit'
plato - These are primarily color terminal changes
Block 4-f 'seecor'
Block 5-b 'welcome'
Block 5-e 'primewel'
Block 5-g 'namemess'
Block 6-e 'welc-disp'
Block 7-g 'whatgrp'
Block 8-a 'whatgrp'
Block 8-c 'grpmess'
Block 9-a 'getcode'
Block 9-c 'cget'
Block 9-d 'codemess'
Block 9-e 'code/msg'
Block 9-f 'code/msg'
Block 10-c 'isignin'
Block 10-d 'isignin'
Block 10-f 'ioptions'
Block 11-a 'checkpw'
pnotes
Block 1-f '/defs con'
records - set default to make prints available
Block 6-e 'newstud1'
s0copy allow viewing other pages of block names for TUTOR and code files.
Block 4-a 'page'
Block 4-c 'torcdisp'
Block 4-d 'torcdisp'
site
Block 5-c 'settemp'
sysopts
Block 2-g 'inhibit'
user
Block 2-f 'sys users'
u
Block 1-f 'other'