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authorDavid Kalnischkies <david@kalnischkies.de>2015-10-27 09:57:26 +0100
committerDavid Kalnischkies <david@kalnischkies.de>2015-11-04 18:04:05 +0100
commit8561c2fedae26aecd8ba758a5e7ef686ba1243f3 (patch)
tree2dd8bd0c15f75064f2a4f8d7bd4bd9e30b307998 /doc/apt-cache.8.xml
parentc094c868786f70bef8a00625fd62be1fa404b220 (diff)
revamp all tools help messages
The general idea is: A small paragraph on the tool itself as a description, a list of the most used (!= all) commands available in the tool, a remark where to find more information on the tool and its commands (aka: in the manpage) and finally a common block referring to even more manpages. In exchange options are completely omitted from the output as well as deprecated or obscure commands. (Better) Information about them is available in the manpages anyway and the few options which were listed before were also the least interesting ones (-o -c -q and co are hardly of interest for someone totally new looking to find info by asking for help and anyone with a bit of experience doesn't need this short list. Those would need a list of options applying to the command they call, but they are too numerous and command specific to list them sanely in this context.
Diffstat (limited to 'doc/apt-cache.8.xml')
-rw-r--r--doc/apt-cache.8.xml14
1 files changed, 10 insertions, 4 deletions
diff --git a/doc/apt-cache.8.xml b/doc/apt-cache.8.xml
index b649149af..a76eb1000 100644
--- a/doc/apt-cache.8.xml
+++ b/doc/apt-cache.8.xml
@@ -32,10 +32,16 @@
&synopsis-command-apt-cache;
<refsect1><title>Description</title>
- <para><command>apt-cache</command> performs a variety of operations on APT's package
- cache. <command>apt-cache</command> does not manipulate the state of the system
- but does provide operations to search and generate interesting output
- from the package metadata.</para>
+ <para>
+ <command>apt-cache</command> performs a variety of operations on APT's
+ package cache. <command>apt-cache</command> does not manipulate the
+ state of the system but does provide operations to search and generate
+ interesting output from the package metadata. The metadata is acquired
+ and updated via the 'update' command of e.g. <command>apt-get</command>,
+ so that it can be outdated if the last update is too long ago, but in
+ exchange <command>apt-cache</command> works independently of the
+ availability of the configured sources (e.g. offline).
+ </para>
<para>Unless the <option>-h</option>, or <option>--help</option> option is given, one of the
commands below must be present.</para>