Uncheck "Reopen windows when logging back in" by defaults
defaults write com.apple.loginwindow TALLogoutSavesState -bool FALSE
defaults write com.apple.systempreferences AttentionPrefBundleIDs 0
Disable App Store Update Notification
sudo defaults write /Library/Preferences/com.apple.AppStore.plist DisableSoftwareUpdateNotifications -bool TRUE
# Disbale SIP (command + r)
csrutil disable
# Mount '/' as write
sudo mount -uw /
# Do something
# cd /Volumes/SSD
sudo rm -rf /System/Applications/TV.app
sudo rm -rf /System/Applications/News.app
sudo rm -rf /System/Applications/Home.app
sudo rm -rf /System/Applications/Books.app
sudo rm -rf /System/Applications/Chess.app
sudo rm -rf /System/Applications/Podcasts.app
sudo rm -rf /System/Applications/Stocks.app
sudo rm -rf /System/Applications/Music.app
# Enable SIP
csrutil enable
Modify user name and folder
Create a user as Administrator, like "temp".
Login "temp".
Change user name and folder.
Disable SIP.
Use sudo mv <OldFolder> <NewFolder>
to rename folder.
Enable SIP.
Login.
Delete user "temp".