What does $$P stand for?

$$P stands for "OS/2 Notes file"

How to abbreviate "OS/2 Notes file"?

"OS/2 Notes file" can be abbreviated as $$P

What is the meaning of $$P abbreviation?

The meaning of $$P abbreviation is "OS/2 Notes file"

What does $$P mean?

$$P as abbreviation means "OS/2 Notes file"