Won't compile old Mortgage program.

[jasonbrianhall]

QB64 info (please complete the following information):
Trying to compile https://github.com/jasonbrianhall/mortgage/blob/main/basic/mortgage.bas on Linux Fedora 36 on the latest version of QB64

Describe the bug
It doesn't know how to handle this line (line 35)
1215 CHAIN "SAMPLES",1000

To Reproduce
git clone https://github.com/jasonbrianhall/mortgage
cd mortgage/basic
qb71 -c mortgage.bas

Expected behavior
I expect it to compile

[GeorgeMcGinn]

CHAIN (among others) are not supported by Linux.

https://qb64phoenix.com/qb64wiki/index.php/CHAIN

Here are the commands not supported in Linux (and macOS): https://qb64phoenix.com/qb64wiki/index.php/Keywords_currently_not_supported_by_QB64#Keywords_not_supported_in_Linux_or_macOS_versions