Can’t seem to clean static files cache manually

i’m very new in magento2 and i’m following the official docs.

I’m playing around trying to change some css styles in the homepage but i seem to have issues with clearing the static files cache manually.

if i go to the admin panel and go to System > Tools > Cache Management and click Flush Static Files Cache it does work and i can see the changes i made on the website just fine.

But if i want to do it manually by deleting certain files with

“rm -rf var/cache/*”

i get the error

“zsh: no matches found: var/cache/*”

Can anyone please help me understand what’s wrong? Why don’t i have those directories?