zStart does the same thing?

Erm, not exactly.
-DCS is a shell.
-zStart is a swiss knife, according to his creator (and I agree).
It is not a shell and needs one to run shell-specific programs but it extends the capacities of your calc to the limit of (can someone tell me how to finish that sentence ?).

I got it, and it doesnt really seem that useful, unless im doin it wrong

Well it depends on the usage you do of your calc. In my case, RAM Clears happen all the time so zStart is useful necessary. But if you don't code for example, then, I agree with you, it is not that powerful (even if the speed gain when launching and quitting a program is awesome). But, one last thing, it doesn't work on a TI 83+, I hope you didn't install it on a TI 83+ , did you ?

it is useful and also it is the top ranked file on ticalc.org

zStart runs the program a lot faster and when quitting, it only writebacks if needed. But it has problems with the "Stop" token in basic.

Forgot about that, I should probably fix that.

i have a ti84+SE, and whenever i have zStart try to compile an axe prog (ON + ENTER on edit page), it causes a ram clear, which is annoying. I always keep everything archived though, and encounter many ram clears.

I think you may be encountering the same problem I have with zStart right now.  After each RAM Clear, try opening zStart's App and then closing it again.  I know it sounds crazy, but it works for me for most stuff.

Still does the ram clear :'(

i have a ti84+SE, and whenever i have zStart try to compile an axe prog (ON + ENTER on edit page), it causes a ram clear, which is annoying. I always keep everything archived though, and encounter many ram clears.

Hmm... First a question, does it ever work? If it doesn't, you have too old of an axe version (though, it shouldn't crash). Then, are you using mathprint? Also, does axe actually start? (If axe starts, this is probably quigibo's problem.)

I got the same problem except for that it gave me a install OS message

As scary as that looks, it means nothing. It's just a random crash. I would like to know the specific address you have to jump to to get there though, that would be interesting.

SOme more bugs:
Basic's feature that displays ans if it is stored to on the last line of the program (:blah:A will display the value of A instead of Done) is broken with zstart
ERR:MEMORY breaks all of zStart's ON+ hooks, and trying to access zStart or the memory menu just sends me to the homescreen

I have absolutely no idea how I would fix Ans displaying. To me, that sounds close to impossible, so that might have to go down as a permanent bug. But I'll look at it.

When you get an Err:Memory, is it just game over for the calculator? If so, can it be fixed without a ram clear?