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-rw-r--r--doc/coreutils.texi7
1 files changed, 7 insertions, 0 deletions
diff --git a/doc/coreutils.texi b/doc/coreutils.texi
index 99412e425..b313afdc7 100644
--- a/doc/coreutils.texi
+++ b/doc/coreutils.texi
@@ -9481,6 +9481,13 @@ some network mounts), the columns are misaligned.
@item
The labels in the header output line are changed to conform to @acronym{POSIX}.
+
+@item
+The default block size and output format are unaffected by the
+@env{DF_BLOCK_SIZE}, @env{BLOCK_SIZE} and @env{BLOCKSIZE} environment
+variables. However, the default block size is still affected by
+@env{POSIXLY_CORRECT}: it is 512 if @env{POSIXLY_CORRECT} is set, 1024
+otherwise. @xref{Block size}.
@end enumerate
@optSi