Show hidden files in macos

Use the following command to show hidden files in Finder.

defaults write com.apple.finder AppleShowAllFiles TRUE

Restart Finder for changes to take effect

iTunes Scripts

In Finder, go to your Home/Library/iTunes folder.
In this folder look for a folder named "Scripts", and if it does not exist create it.
By copying Applescript scripts inside this folder you make scripts available in iTunes Script menu, on the right or normal iTunes menus.

iTunes Script folder is only available on a per-user base, there is not a system-wide iTunes Script folder.

Delete Thunderbird Search Index

Thunderbird search index can get corrupted causing bad search results. You can delete the search db which in turn causes thunderbird to reindex all the email. Follow the process below.

1. Quit Thunderbird
2. Locate your global-messages-db.sqlite file.
/Users//Library/Thunderbird/Profiles/
3. Rename (or delete) both global-messages-db.sqlite and global-messages-db.sqlite.journal
4. Start Thunderbird
5. Reindexing begins