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-rw-r--r--modules/pam_pwhistory/README3
1 files changed, 2 insertions, 1 deletions
diff --git a/modules/pam_pwhistory/README b/modules/pam_pwhistory/README
index 167b4172..1634249b 100644
--- a/modules/pam_pwhistory/README
+++ b/modules/pam_pwhistory/README
@@ -32,7 +32,8 @@ enforce_for_root
remember=N
The last N passwords for each user are saved in /etc/security/opasswd. The
- default is 10.
+ default is 10. Value of 0 makes the module to keep the existing contents of
+ the opasswd file unchanged.
retry=N