unset HISTFILE
fi
-# append to the history file, don't overwrite it
-shopt -s histappend
-
# check the window size after each command and, if necessary,
# update the values of LINES and COLUMNS.
shopt -s checkwinsize
# match all files and zero or more directories and subdirectories.
#shopt -s globstar
+# append to the history file, don't overwrite it
+shopt -s histappend
+
[ "`type -t ls`" = alias ] && unalias ls
[ "`type -t ll`" = alias ] && unalias ll