As referred to in the text, legacy systems are:.
A) systems that employ Unix.
B) electronic spreadsheets used on a PC.
C) any pre-1990 Wintel systems.
D) systems found on older ASPs.
E) traditional mainframe-based business information systems

to change your username, you must:

1) make sure what the username you want to change to is allowed in this community

2) contact a administrator (for example, jaysl)

3) through pm, tell the admin what you want to change to

4) if the username is allowed, it will be changed in a matter of seconds (minutes at most)

~

answerellipsis;