Similar personal computers from competitors came later, using Microsoft DOS and a command line.

FORBES: Solving Apple's Innovation Problem

Of course the Mac was created in part as sort of a backlash against the command line interface of DOS (typing long strings of complicated computing commands, not pointing and clicking with a mouse like we're used to now), though Mac OS X now boasts a Unix Shell terminal with its own command line interface.

FORBES: Dual-Personality Macs

They used a command line, and Apple DOS operating system.

FORBES: Solving Apple's Innovation Problem