Merge branch 'release-2016'

[alexxy/gromacs.git] / docs / user-guide / environment-variables.rst

diff --git a/docs/user-guide/environment-variables.rst b/docs/user-guide/environment-variables.rst
index f95ea156634c7dfec0c2fe46482f4f6657e5d30a..76fd58770621590c849a86cb259a576776ba9933 100644 (file)
--- a/docs/user-guide/environment-variables.rst
+++ b/docs/user-guide/environment-variables.rst
@@ -74,6 +74,10 @@ Output Control
         :ref:`pdb` file, which allows to check whether multimeric channels have
         the correct PBC representation.
 
+``GMX_TRAJECTORY_IO_VERBOSITY``
+        Defaults to 1, which prints frame count e.g. when reading trajectory
+        files. Set to 0 for quiet operation.
+
 Debugging
 ---------
 ``GMX_PRINT_DEBUG_LINES``