You can use anything you like. The command line interpreter in Macos is usually bash, just like in Linux, but you can run other shells if you like. There are a lot of linux commands and utilities built in to Macos.
Can I install a Linux shell on Mac?
It handles downloading, installing, updating and managing certain applications and their dependencies within the operating system. MacPorts is a command-line package manager for macOS. With MacPorts you can install Linux applications on macOS from the command line.
Is Mac terminal bash?
By default, Mac uses either zsh (Z shell) or bash (Bourne-again Shell) as the shell or command-line interpreter.
Is Mac built on Linux?
You may have heard that Macintosh OSX is just Linux with a prettier interface. That’s not actually true. But OSX is built in part on an open source Unix derivative called FreeBSD. It was built atop UNIX, the operating system originally created over 30 years ago by researchers at AT&T’s Bell Labs.