Oops, I messed up my original reply...

This is a reference to the C64 load command: https://www.c64-wiki.com/wiki/LOAD

Basically, if you wand to see the directory of a disk, you type: LOAD "$",8 followed by hitting the RETURN key. After the directory loads the LIST command will list the directory.

If you want to load a BASIC program, you use LOAD"filename",8 and hit RETURN. When it loads up type RUN and hit RETURN.

If you want to load a machine language program, it's LOAD "filename",8,1 and hit RETURN. These usually don't require a RUN command to start up.

If the program you want to load is the first in the disk directory, you can types LOAD "",8 or LOAD "",8,1.

The 8 is the device number of the floppy drive and those usually run from device numbers 8-11--especially if you have multiple drives.