To create an anchor to a heading in github flavored markdown.
Add - characters between each word in the heading and wrap the value in parens (#some-markdown-heading) so your link should look like so:
[create an anchor](#anchors-in-markdown)
sudo apt-get update && sudo apt-get install zshubuntu : sudo vim /etc/passwdubuntu user, and replace bin/bash by bin/zshsh -c "$(wget https://raw.githubusercontent.com/robbyrussell/oh-my-zsh/master/tools/install.sh -O -)"