Mac  command line  Perl Utilities - rename  Perl  Homebrew  Perl utilities 

Using the Perl 'rename' command to batch rename a group of image files on the MacOS command line with Homebrew package manager.

linux  linux utilities  Ubuntu  Ubuntu 16.04  apt-cache  package management  command line  CLI 

Use the apt-cache and apt utilities on the Ubuntu command line to search for and obtain information about packages.