find: improve usage text (Natanael Copa <natanael.copa@gmail.com>)

[oweals/busybox.git] / docs / busybox.net / FAQ.html

diff --git a/docs/busybox.net/FAQ.html b/docs/busybox.net/FAQ.html
index 4501fd0a0dfb58fc3df32594791301750a17bff4..c07be9027b3035cd75d6e85689a5abb802236eae 100644 (file)
--- a/docs/busybox.net/FAQ.html
+++ b/docs/busybox.net/FAQ.html
@@ -82,7 +82,8 @@ have additions to this FAQ document, we would love to add them,
     to determine which applet to run, as shown above.
 </p>
 <p>
-    BusyBox also has a feature called the "standalone shell", where the busybox
+    BusyBox also has a feature called the
+    <a name="standalone_shell">"standalone shell"</a>, where the busybox
     shell runs any built-in applets before checking the command path.  This
     feature is also enabled by "make allyesconfig", and to try it out run
     the command line "PATH= ./busybox ash".  This will blank your command path
@@ -96,7 +97,15 @@ have additions to this FAQ document, we would love to add them,
     (So if you set it to /proc/self/exe, and happen to be able to chroot into
     your rootfs, you must mount /proc beforehand.)
 </p>
-
+<p>
+    A typical indication that you set CONFIG_BUSYBOX_EXEC_PATH to proc but
+    forgot to mount proc is:
+<pre>
+$ /bin/echo $PATH
+/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/bin/X11
+$ echo $PATH
+/bin/sh: echo: not found
+</pre>
 <hr />
 <p>
 <h2><a name="configure">How do I configure busybox?</a></h2>
@@ -252,7 +261,7 @@ within each applet.  More build coverage testing.</p></li>
 
 <hr />
 <p>
-<h2><a name="external">where can i find other small utilities since busybox 
+<h2><a name="external">where can i find other small utilities since busybox
        does not include the features i want?</a></h2>
 <p>
        we maintain such a <a href="tinyutils.html">list</a> on this site!
@@ -932,7 +941,7 @@ text console scrolling...)</p>
 
 <p>So will data always be read from the far end of a pipe at the
 same chunk sizes it was written in?  Nope.  Don't rely on that.  For one
-counterexample, see <a href="http://www.faqs.org/rfcs/rfc896.html">rfc 896 
+counterexample, see <a href="http://www.faqs.org/rfcs/rfc896.html">rfc 896
 for Nagle's algorithm</a>, which waits a fraction of a second or so before
 sending out small amounts of data through a TCP/IP connection in case more
 data comes in that can be merged into the same packet.  (In case you were
@@ -1080,7 +1089,7 @@ aaronl   :Aaron Lehmann
 beppu    :John Beppu
 dwhedon  :David Whedon
 erik     :Erik Andersen
-gfeldman :Gennady Feldman 
+gfeldman :Gennady Feldman
 jimg     :Jim Gleason
 kraai    :Matt Kraai
 markw    :Mark Whitley