+2002-03-26 Akim Demaille <akim@epita.fr>
+
+ * doc/autoconf.texi (Portable Shell): Add pointers to FAQs.
+
2002-03-26 Akim Demaille <akim@epita.fr>
* doc/autoconf.texi (Introduction): The GNATS base moved.
Some of these external utilities have a portable subset of features; see
@ref{Limitations of Usual Tools}.
+There are other sources of documentation about shells. See for instance
+@href{http://www.faqs.org/faqs/unix-faq/shell/, the Shell FAQs}.
+
@menu
* Shellology:: A zoology of shells
* Here-Documents:: Quirks and tricks
@node Shellology
@section Shellology
-There are several families of shells, most prominently the Bourne
-family and the C shell family which are deeply incompatible. If you
-want to write portable shell scripts, avoid members of the C shell
-family.
+There are several families of shells, most prominently the Bourne family
+and the C shell family which are deeply incompatible. If you want to
+write portable shell scripts, avoid members of the C shell family. The
+@href{http://www.faqs.org/faqs/unix-faq/shell/shell-differences/, the
+Shell difference FAQ} includes a small history of Unix shells, and a
+comparison between several of them.
Below we describe some of the members of the Bourne shell family.