add directory Ref-docs

Ref-docs/manual Bash/abs-guide/abs-guide/ex35.sh

@@ -0,0 +1,11 @@
+#!/bin/bash
+
+a=/home/bozo/daily-journal.txt
+
+echo "Basename of /home/bozo/daily-journal.txt = `basename $a`"
+echo "Dirname of /home/bozo/daily-journal.txt = `dirname $a`"
+echo
+echo "My own home is `basename ~/`."         # Also works with just ~.
+echo "The home of my home is `dirname ~/`."  # Also works with just ~.
+
+exit 0