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-rw-r--r--doc/ethereal.pod4
1 files changed, 4 insertions, 0 deletions
diff --git a/doc/ethereal.pod b/doc/ethereal.pod
index 84bf091203..e783d3a5c9 100644
--- a/doc/ethereal.pod
+++ b/doc/ethereal.pod
@@ -126,6 +126,10 @@ Sets the packet printing and filter options (see L<"Preferences"> below).
=item Tools:Capture
Initiates a live packet capture (see L<"Capture Preferences"> below).
+A temporary file will be created to hold the capture. The location of the
+file can be chosen by setting your TMPDIR environment variable before
+starting ethereal. Otherwise, the default TMPDIR location is system-dependent,
+but is likely either /var/tmp or /tmp.
=item Tools:Follow TCP Stream