QB64 is a modern extended BASIC programming language that retains QBasic/QuickBASIC 4.5 compatibility and compiles native binaries for Windows, Linux, and macOS.

The apostrophe allows explanatory comments, or remarks, to be inserted in a program. These may be included anywhere in the source code and extend to the end of the line. Comments are ignored when the program is run.


apostrophe this is a comment REM this is also a comment



COLOR 11: PRINT "Print this...." ' PRINT "Don't print this program comment!"

Print this....

See Also