Mac OS game directory in Terminal

[BG213]

To start GZDoom on my mac the shortest directory is like this:

/ZDoom.app/Contents/MacOS/zdoom

I cannot start it like Windows users:

C:doom.exe

Is there a way to have a shorter path?

[_mental_]

Create an alias in your shell, zsh on recent versions of macOS, and bash on older ones. This has nothing to do with GZDoom itself because support of aliases is a common shell applications' feature.

[BG213]

Terminal seems to not like me creating aliases of commands! So for example this works:

alias doom="/ZDoom.app/Contents/MacOS/zdoom -iwad doom2.wad -skill 4"

Typing

doom

into terminal will bring up Entryway, but if I make this alias:

alias s0='-loadgame /Users/myimac/Documents/ZDoom/Savegames/save0.zds'

Which is a save game of the beginning of The Gantlet, then try this in terminal:

doom s0

It loads the beginning of Entryway again! Similarly:

alias w3='-warp 03'

And in terminal:

doom w3

Still brings me to Entryway!

Seems like I can't create an alias of commands? But the first alias (which starts off as a file path string) contains commands and they do work! I even checked the skill level in console and it is correct! I also use the "alias" command in terminal to check if all the above aliases are known to my system. Indeed they are, just not being recognized by ZDoom!? Argggghhhh!!