diff --git a/LICENSE b/LICENSE
index 204b93d..fdddb29 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,19 +1,24 @@
-MIT License Copyright (c) <year> <copyright holders>
+This is free and unencumbered software released into the public domain.
 
-Permission is hereby granted, free of charge, to any person obtaining a copy
-of this software and associated documentation files (the "Software"), to deal
-in the Software without restriction, including without limitation the rights
-to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-copies of the Software, and to permit persons to whom the Software is furnished
-to do so, subject to the following conditions:
+Anyone is free to copy, modify, publish, use, compile, sell, or
+distribute this software, either in source code form or as a compiled
+binary, for any purpose, commercial or non-commercial, and by any
+means.
 
-The above copyright notice and this permission notice (including the next
-paragraph) shall be included in all copies or substantial portions of the
-Software.
+In jurisdictions that recognize copyright laws, the author or authors
+of this software dedicate any and all copyright interest in the
+software to the public domain. We make this dedication for the benefit
+of the public at large and to the detriment of our heirs and
+successors. We intend this dedication to be an overt act of
+relinquishment in perpetuity of all present and future rights to this
+software under copyright law.
 
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
-FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS
-OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
-WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
-OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+OTHER DEALINGS IN THE SOFTWARE.
+
+For more information, please refer to <https://unlicense.org>
diff --git a/README b/README
index 83d55ef..1e66231 100644
--- a/README
+++ b/README
@@ -1,3 +1,5 @@
-----
-# psh-prng
+---
+psh-prng
 -- an attempt at pure POSIX sh random number generation
+-- 100% POSIX compliant; if /dev/urandom is missing PIDs are used
+---
diff --git a/README.md b/README.md
index addf7dd..9e2b718 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,7 @@
 ```
-----
-# psh-prng
+---
+psh-prng
 -- an attempt at pure POSIX sh random number generation
+-- 100% POSIX compliant; if /dev/urandom is missing PIDs are used
+---
 ```
diff --git a/ran b/ran
index 15da343..c730ce0 100755
--- a/ran
+++ b/ran
@@ -4,25 +4,18 @@ mseed() {
   [ -c /dev/urandom ] && {
     read -r seed < /dev/urandom # read a single line of urandom
     seed=${#seed}
-  } || { # otherwise generate a seed by counting stuff
-    n=0;
-    [ -x /bin/ ] && { # if we can access /bin count the files in it
-      for i in /bin/*; do
-        [ -f "$i" ] && : $((n+=1))
-      done
-    }
-    [ -x /tmp/ ] && {
-      for i in /tmp/*; do
-        [ -e "$i" ] && : $((n+=1))
-      done
-    }
-    [ -x /var/ ] && {
-      for i in /var/*; do
-        [ -e "$i" ] && : $((n+=1))
-      done
-    }
-    : $((n+=${#PWD})); : $((n+=${#0}))
-    seed="${n:-100}"
+  } || { # otherwise generate a seed using pids
+    echo "!! WARNING: /dev/urandom IS MISSING -- HARDWARE RANDOMNESS CANNOT BE USED -- USING PID !!" >&2
+    echo "!!                              -- CONTINUE AT YOUR OWN RISK --                        !!" >&2
+    : & wait; o="$!"; for i in 1 2 3 4 5; do
+      : & wait # generate new $!
+      o=$((o%o+$!*o))
+    done
+    for i in 1 2 3; do
+      : & wait
+    done
+    seed="$((o%o+$!*${#o}))" # greatly shorten seed
+    # large seeds produce large numbers = more randomness
   }
 } # make seed
 mseed
@@ -109,7 +102,21 @@ done
 # the idea here is, a single line of urandom's output is (almost) random data
 # thus count the length of said line, grab it's last digit, and add it (((a*seed)+p)%m)*m  
 # -- o should be any number 0-9
-read -r o < /dev/urandom; o=${#o}
+[ -c /dev/urandom ] && {
+  read -r o < /dev/urandom
+  o="${#o}"
+} || {
+  echo "!! WARNING: /dev/urandom IS MISSING -- HARDWARE RANDOMNESS CANNOT BE USED -- USING PID !!" >&2
+  echo "!!                              -- CONTINUE AT YOUR OWN RISK --                        !!" >&2
+  # warn about lack of hardware randomness
+  : & wait
+  o="$!" # pid is "RANDOM"
+  for i in 1 2 3; do
+    : & wait
+  done # 3 pid calls
+  o="$((o%o*o+$!))" # this allows the last digit to actually be random
+}
+
 until [ "${#o}" -eq 1 ]; do
   o=${o#?}
 done #; echo "$o -"