$ brew doctor «A newer Command Line Tools release is available» but Software Update cannot find it
What to do when Homebrew says «A newer Command Line Tools release is available» – but macOS Catalina doesn’t confirm that?
How to merge two folders in macOS using rsync in Terminal.app
Even though Apple introduced something similar to a “merge” feature in macOS Finder, you may want to fall back to “rsync” as a more controllable method for properly merging files & folders in macOS.
Unix Bash Shell script to fetch a list of Websites using CURL
This Unix Bash Shell script was designed to fetch a list of website URLs using curl, returning – upon success – the HTTP status code and the final URL retrieved following redirects.
macOS Terminal: unzip a ZIP file using the tar command in bash
An alternative but handy approach to unzip files from the macOS Terminal.app
OS X: create an ISO disk image
In OS X it is fairly simple to create a virtual disk image of the type “ISO” by using built-in UNIX tools and the Terminal. We are going to use the “dd” UNIX tool to copy a whole CD/DVD into a new ISO disk image file.
OS X: Geek Alarm Clock
Find out what a Geek’s way is to set an audio-visual Alarm Clock under OS X