fi
-# clear history, clear screen and logout
-#chlo() { cd; unset HISTFILE; rm -f .sh_history; history -c; clear; logout || exit; }
+# clear screen and history, logout
+chlo() { clear; cd; >$HISTFILE; unset HISTFILE; history -c; logout || exit; }
if test -x /usr/bin/git >/dev/null 2>&1; then