###### tags: `Concept` `OS` # OS 概念簡易紀錄  基本上每個Shell都可視為一個Application,Application在運作時會去做System Call去呼叫Kernel,Kernel運作call Dirver Firmware去操作HD。
×
Sign in
Email
Password
Forgot password
or
By clicking below, you agree to our
terms of service
.
Sign in via Facebook
Sign in via Twitter
Sign in via GitHub
Sign in via Dropbox
Sign in with Wallet
Wallet (
)
Connect another wallet
New to HackMD?
Sign up