git checkout . //Discards changes in workspace and resets to last commit
git checkout -- file //removes changes to a particular file


git clean -n //list untracked files to be deleted
git clean -f //remove untracked files

git status  //gives a list of modifications to workspace

git add . // selects all modified files to be staged

git diff //gives a diff of modified files, pre staging

git commit //commits all staged files


git reset 

git log --pretty=oneline //commit history one line each


git commit --amend


git config --global diff.tool bc
git config --global merge.tool bc
git config --global difftool.prompt false


gitk // see all commits gui