Sometimes ? is too flexible, and you
only want to allow a few characters. For example,
you might want to abbreviate
without picking up "memo.ad", memo.ae", etc.
You can match one of a set of particular characters by
putting them in brackets "[]" in the list you use with "ls".
matches either b or c but no other letters,
so "ls memo.a[bc]" is the abbreviation for
You can have as many characters as needed between [ and ].
Type the "ls" command that recognizes
and no other files. Then type "ready".
#match ls a1cat a2cat a3cat
You were supposed to use a[123]cat.
Imagine doing it your way with 10 files.