some error occured when commit My project to github

Hi, I am new to the github. I tryed to commit my project. but has occured following error on My cmd.

*** Please tell me who you are.


  git config --global “
  git config --global “Your Name”

to set your account’s default identity.
Omit --global to set the identity only in this repository.

fatal: unable to auto-detect email address (got ‘Sama@Sama-PC.(none)’)

how can solve this problem?