[git commit master] document how to find non-shared string dups

[Denys Vlasenko]

commit: http://git.busybox.net/busybox/commit/?id=abb154ba02f9a9a98465cb1f816f974cca536392
branch: http://git.busybox.net/busybox/commit/?id=refs/heads/master

Signed-off-by: Denys Vlasenko <vda.linux at googlemail.com>
---
 docs/keep_data_small.txt |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)

diff --git a/docs/keep_data_small.txt b/docs/keep_data_small.txt
index 079bac3..01c0d3c 100644
--- a/docs/keep_data_small.txt
+++ b/docs/keep_data_small.txt
@@ -145,6 +145,11 @@ one of above methods is not worth the resulting code obfuscation.
 If you have less than ~300 bytes of global data - don't bother.
 
 
+		Finding non-shared duplicated strings
+
+strings busybox | sort | uniq -c | sort -nr
+
+
 		gcc's data alignment problem
 
 The following attribute added in vi.c:
-- 
1.6.3.3