How to downgrade macOS? Instructions with installer links

How to find and install older macOS/OS X versions? If you want to download installer images and downgrade your operating system here you can find some instructions.

Continue reading How to downgrade macOS? Instructions with installer links

How to watch file count in a directory (Linux/macOS)?

If you want to monitor file count in some directory simply use this:

watch "ls -A | wc -l"

You can also mask specific files using asterisk char:

watch "ls sess* -A | wc -l"

If you get Argument list too long error, please change command syntax to this:

watch "ls -U | grep -c '^sess'"