Just FYI, re case sensitivity: Linux (Unix) is case sensitive by default, but it will handle any combination of case, whereas MS is not case sensitive...
Not sure why you felt you had to change the names, but also FYI, most Linux shell cmds do not handle spaces as part of a filename without some extra fiddling, so try to use underscore or something instead if you have filenames like that.
In any case, keep up the effort, you'll benefit eventually
You can alias a cmd to one word like this
alias mycmd="usualcmd +param1 +param2 etc"
then export the cmd alias
and run it by invoking