# after calling ^P.
bindkey -a '^N' history-beginning-search-forward
+# Automatically push cd-ed directories on the directory stack.
+setopt autopushd
+# Don't push duplicates on the directory stack.
+setopt pushdignoredups
+# Exchange the meaning of + and - when specifying a directory on the stack.
+# This way cd -<Tab> lists the last used directory first, which is more
+# natural because cd - goes to the last directory.
+setopt pushdminus
+
# PROMPT SETTINGS