Multiple GitHub Accounts using Aliases

cat ~/.config/gh/config.yml

git_protocol: ssh
aliases:
    personal: '!cp ~/.config/gh/hosts.yml.personal ~/.config/gh/hosts.yml && gh auth status'
    work: '!cp ~/.config/gh/hosts.yml.work ~/.config/gh/hosts.yml && gh auth status'


cat ~/.config/gh/hosts.yml.personal
github.com:
    oauth_token: ghp_[…]
    git_protocol: ssh
    user: me

cat ~/.config/gh/hosts.yml.work
github.com:
    oauth_token: ghp_[…]
    git_protocol: ssh
    user: me_2

To use personal account:

gh personal
github.com
  ✓ Logged in to github.com as me (/home/me/.config/gh/hosts.yml)
  ✓ Git operations for github.com configured to use ssh protocol.
  ✓ Token: *******************

To use work account:

gh work

Source