> MS-DOS’ command-line shell’s scripting language was relatively terse and moderately powerful, but lacked many of the richer, and more advanced features we enj

> MS-DOS’ command-line shell’s scripting language was relatively terse and moderately powerful, but lacked many of the richer, and more advanced features we enjoy in modern-day PowerShell, Bash, etc. Nice try, but the Bourne shell, which dates from 1979, already had most of the features commonly found nowadays in Unix shells.