SHELL

git merge branch

git checkout master			# master is checked out
git pull					# update local
git merge new-feature		# merge branch new-feature into master
git push					# changes on remote. Then checkout a feature branch

git merge branch

//this is for merging into a local branch//

// checkout the branch to merge INTO
git checkout master
// merge local feature branch into master branch
git merge feature_branch_name

git merge local branch

// checkout the branch to merge INTO
git checkout master
// merge local feature branch into master branch
git merge feature_branch_name

git merge branch

git status
git checkout master
git fetch 
git pull
git merge X # X is the name of the branch you want to merge into the receiving branch.

branches and merging in git

git checkout -b child 
git commit
git checkout master
git commit
git marge child

Note: In Git version 2.23, a new command called git switch was introduced 
  to eventually replace git checkout

git merging to branch from branch

$ git checkout master
$ git merge hotfix
Updating f42c576..3a0874c
Fast-forward
 index.html | 2 ++
 1 file changed, 2 insertions(+)