View the programs occupied by the current port number
netstat -tunlp|grep port number
Check who has enabled the process and its pid, etc.
ps -ef|grep name
Some common git commands
git diff to see the difference
git status View the current branch status
git push origin "XXX" pushes the specified branch
git pull pulls the branch code
git branch "branch name" switch branch
git commit commit to local repository
Update from time to time