DOS ain't dead

Today i found the DOS Series from Hacker Public Radio.

Intro to DOS Series
<https://archive.org/details/hpr3390>

Operating Systems
<https://archive.org/details/hpr3410>

Booting
<https://archive.org/details/hpr3430>

Internal Commands
<https://archive.org/details/hpr3450>

External Commands and Emergency Boot Disk
<https://archive.org/details/hpr3470>

The Path
<https://archive.org/details/hpr3490>

Syntax, Switches, and Help
<https://archive.org/details/hpr3510>

Filenames and ASCII
<https://archive.org/details/hpr3530>

Format; Copy; Diskcopy; Xcopy
<https://archive.org/details/hpr3550>

The Filesystem
<https://archive.org/details/hpr3570>

Directory Commands
<https://archive.org/details/hpr3590>

DOS Wildcards; File Attributes
<https://archive.org/details/hpr3610>

Expert DIR Use
<https://archive.org/details/hpr3640>

BASIC
<https://archive.org/details/hpr3660>

EDIT
<https://archive.org/details/hpr3680>

Introduction to Batch Files
<https://archive.org/details/hpr3700>

Practicing Batch Files With ECHO
<https://archive.org/details/hpr3720>

Batch File Variables (Final Episode)
<https://archive.org/details/hpr3740>