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----------------- THE Z SHELL (ZSH) ----------------- Version ------- This is zsh version 3.1 (beta) Note that this is a beta version. The latest stable version is zsh-3.0.7. Installing Zsh -------------- The instructions for compiling zsh are in the file INSTALL. You should also check the file MACHINES in the subdirectory Etc to see if there are any special instructions for your particular architecture. Features -------- Zsh is a shell with lots of features. For a list of these, see the file Etc/FEATURES, and for the latest changes see Etc/NEWS. For more details, see the documentation. Possibile incompatibilities --------------------------- If you have been using recent versions of zsh 3.1, the following changes in the shell may affect you: - The traditional bindings of \M-n (history-search-backward) and \M-p (history-search-forward) in older versions of zsh have returned, as has the traditional behaviour of those functions and the functions up-line-or-search and down-line-or-search. In 3.1.5, the functions behaved differently and \M-n and \M-p were bound by default to history-beginning-search-backward and history-beginning-search-forward. - Prompt truncation behaviour via %<...< and %>...> (or %[<...] etc.) has changed slightly: the string to be truncated runs to the end of the prompt or to the next truncation sequence; %<< will turn off truncation. Previously it only covered individual prompt escapes. So for example the prompt `%10<...<%~%% ' will now include the `%% ' in the string to be truncated, and you should change the prompt to `%10<...<%~%<<%% ' to turn off truncation immediately after the `%~'. - If for some reason you have `setopt norcs' or `unsetopt rcs' anywhere in your startup files (e.g. to stop .zlogout being run), this will now take effect immediately, preventing later startup files from being run. It is safe to put `setopt norcs' in .zlogin as this is always the last run. See the FAQ for a discussion of changes over the longer term. Documentation ------------- There are a number of documents about zsh in this distribution: Doc/Zsh/*.yo The master source for the zsh documentation is written in yodl. Yodl is a document language written by Karel Kubat. It is not required by zsh but but it is a nice program so you might want to get it anyway, especially if you are a zsh developer. It can be downloaded from ftp://ftp.lilypond.org/pub/yodl/ Doc/zsh*.1 Man pages in nroff format. These will be installed by "make install.man" or "make install". By default, these will be installed in /usr/local/man/man1, although you can change this with the --mandir option to configure or editing the user configuration section of the top level Makefile. Doc/zsh.texi Everything the man pages have, but in texinfo format. These will be installed by "make install.info" or "make install". By default, these will be installed in /usr/local/info, although you can change this with the --infodir option to configure or editing the user configuration section of the top level Makefile. Also include in the distribution are: Doc/intro.ms An introduction to zsh in troff format using the ms macros. This document explains many of the features that make zsh more equal than other shells. Unfortunately this is based on zsh-2.5 so some examples may not work without changes but it is still a good introduction. If you do not have the necessary tools to process these documents, PostScript, ASCII, Info and DVI versions are available in the separate file zsh-beta-doc.tar.gz at the archive sites listed in the META-FAQ. The distribution also contains a Perl script in Utils/helpfiles which can be used to extract the descriptions of builtin commands from the zshbuiltins manual page. See the comments at the beginning of the script about its usage. The files created by this script can be used by example function run-help located in the subdirectory Functions/Misc to show information about zsh builtins and run `man' on external commands. For this the shell variable HELPDIR should point to a directory containing the fileles generated by the helpfiles script. run-help should be unaliased before loading the run-help function. After that this function will be executed by the run-help ZLE function which is by default bound to ESC-h in emacs mode. Examples -------- Examples of zsh startup files are located in the subdirectory StartupFiles. Examples of zsh functions and scripts are located in the subdirectory Functions. Examples of completion control commands (compctl) are located in the file Misc/compctl-examples. Zsh FTP Sites, Web Pages, and Mailing Lists ------------------------------------------- The current list of zsh FTP sites, web pages, and mailing lists can be found in the META-FAQ. A copy is included in this distribution and is available separately at any of the zsh FTP sites. Common Problems and Frequently Asked Questions ---------------------------------------------- Zsh has a list of Frequently Asked Questions (FAQ) maintained by Peter Stephenson <email@example.com>. It covers many common problems encountered when building, installing, and using zsh. A copy is included in this distribution in Etc/FAQ and is available separately at any of the zsh ftp sites. Zsh Maintenance and Bug Reports ------------------------------- Zsh is currently maintained by the members of the zsh-workers mailing list and coordinated by Peter Stephenson <firstname.lastname@example.org>. Please send any feedback and bugs reports to <email@example.com>. There is a script "reporter" in the subdirectory Util which will print out your current shell environment/setup. If you report a bug, please use this script and include the output from sourcing this file. This way, the problem you are reporting can be recreated. You can help even more if you can reproduce the bug starting zsh with the -f option. This skips the execution of local startup files except /etc/zshenv. If a bug occurs only when some options set try to locate the option which triggers the bug. The known bugs in zsh are listed in the file Etc/BUGS. Check this as well as the Frequently Asked Questions (FAQ) list before sending a bug report. Note that zsh has some features which are not compatible with sh but these are not bugs. Most of these incompatibilities go away when zsh is invoked as sh or ksh (e.g. using a symbolic link). If you send a bug report to the list and are not a subscriber, please mention this in your message if you want a response. If you would like to contribute to the development and maintenance of zsh, then you should join the zsh-workers mailing list (check the META-FAQ for info on this). You should also read the "zsh-development-guide" located in the subdirectory Util. Contributors ------------ The people who have contributed to this software project are listed in Etc/CONTRIBUTORS.