pwd
ls
cd ../
cd ~
mkdir dirName
vim a.txt
git init local_git
cd local_git
vim f1.txt
git add f1.xtx
git commit -m "add a"
git log
git remote add origin repo-address
git remote -v #연결확인
git push -u origin master
vim f1.txt
git commit -am "add b"
git push
git pull origin master #내려받기
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깃허브에 SSH 원격접속
SSH생성
ssh-keygen
enter
enter
enter
cd ~/.ssh
cat id_rsa.pub
키 복사