Use it to search within Python libraries: apt-cache search python3 | wc -l On Debian and its derivatives is the apt-cache utility that goes with the apt-get package manager (like Homebrew and MacPorts). MacOS (Mac OS X) comes with the BSD (Berkeley Standard Distribution) version of command line tools which are slightly different from the Linux version (in Red Hat, Debian, Ubuntu, CoreOS, etc.) even though both are compliant with POSIX standards. The command that is common to all Linux/BSD variants is the one that returns the operating system name: uname Linux utilities – the Swiss Army Knife for almost every need. This article compares and contrasts macOS utilites vs.
