Several now common commands were first introduced in this release, including
`dd`, `pwd`, and `wump` (Hunt the Wumpus). At this stage it's starting to
-*feel* like a UNIX system.
+*feel* like a UNIX system, though we must remember that `cd` is still `chdir`.
Then there's the editor, `ed`. A UNIX classic, it's a little like using `vi`
with your eyes shut. If you've never used it before, check out my [guide to
simulation and drop to the `sim>` prompt where you can exit. However, doing
this is likely to corrupt a disk as it is equivalent to yanking the power cord
from the wall. To resume from the `sim>` prompt, simply type `go` and execution
-will resume from where it left off..
+will resume from where it left off.
## Transfer Files ##
-Output to the line printer or input/output via the paper tape are one option.
+One may output via the line printer, or input/output via the paper tape.
The relevant options to enable that hardware in SIMH are commented out in
`simh.conf`.