M thought/write-posix-shell.html → thought/write-posix-shell.html

@@ -93,7 +93,7 @@ and csh.
     mrsh.
     tcsh. pdksh.
   the list of shell dialects goes on and on forever,
-  like a slimy snail
+  like a big long slimy snail trail.
 
   each shell dialect has varying levels of compatability
   with the others. for example, imagine writing
@@ -109,14 +109,13 @@ 
   people say "bash" because bash is the most
   common shell dialect.
 
-  (bernie sanders voice)
-  let me be clear:
+  to be clear:
       if you write shell and use some bash features,
       you're writing shell in the bash dialect.
       if you happen to not use any bash features,
-      then you're just writing plain shell.
+      then you're writing plain old shell.
 
-  the reason i'm being pedantic about "bash" is because
+  the reason i'm being pedantic about dialects is because
   i believe that most people should only learn and write
   a single dialect of shell: posix shell
 
@@ -139,10 +138,10 @@ the good news is that if you write posix shell, there are
   huge benefits.
 
   posix shell is compatible:
-      it'll run on debian,
+      it'll run on debian, ubuntu,
                   on openbsd,
                       in an alpine container,
-                          on macos! illumos!
+                          on illumos! arch!
                               even horrible old AIX!
 
   posix shell is defined: