get rid of unwanted aliases

.bashrc

@@ -8,7 +8,17 @@ fi
 # User specific aliases and functions
 
 # remove annoying global aliases
-unalias l. ll ls vi
+noalias() {
+  x=`type $1 | grep " is aliased to "` && unalias $1
+}
+# unalias l. ll ls vi
+noalias l.
+noalias ll
+noalias ls
+noalias vi
+noalias egrep
+noalias fgrep
+noalias grep
 
 alias ..="tcsh -l"
 alias sux="sudo tcsh -l"