What is the terminal command for "Show all filename extensions"?

terminal bash finder

defaults write NSGlobalDomain AppleShowAllExtensions -bool true

False, of course, to reverse.

Related

If we know the exact moment a system was infected by a virus, would a simple rollback via Time Machine fix it?
Help! Virus on my mac affecting my search engine. It is called "Function Loginput"
Finder - Keyboard shortcut to rename file
How to fix 'half-ejected' state of non-connected drive
iMac display goes to sleep randomly during use -- how and why? Are there event logs?
MacBook Pro 2015 - new battery temperature - 33-40C in usage mode
How do I remove or hide the green triangles from the corner of the cell when numbers are formatted as text in Excel for Mac?
"Your system has run out of application memory." chrome using over 100 gb
What is ~/.local directory tree and two executables there?
Replacing corrupt system font in macOS Sierra
Installing Homebrew on Lion
How to stream videos from icloud to iphone