add--Add file contents to the index
bisect--Find by binary search the change that introduced a bug
branch--List, create or delete branches
checkout--Checkout a branch or paths to the working tree
clone ---Clone a repository into a new directory
commit ---Record changes to the repository
diff?? ---Show changes between commits, commit and working tree,etc
fetch-----Download objects and refs from another repository
grep -----Print lines matching a pattern
init -----Create an empty Git repository or reinitialize an existing one
log-------Show commit logs
merge ----Join two or more development histories together
mv -------Move or rename a file,adirectory, or a symlink
pull -----Fetch from and integrate with another repository or a local branch

push -----Update remote refs along with associated objects
rebase ---Forward-port local cmmits to the updated upstream head
reset ----Reset current HEAD tothe specified state
rm -------Remove files from the working tree and from the index
show -----Show various types of objects
status ---Show the working tree status
tag ------Create, list, delete or verigy a tag object signed with GPG

GitHub常用命令