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-rw-r--r--man/groupadd.8.xml10
1 files changed, 6 insertions, 4 deletions
diff --git a/man/groupadd.8.xml b/man/groupadd.8.xml
index 26671f92..61a548f7 100644
--- a/man/groupadd.8.xml
+++ b/man/groupadd.8.xml
@@ -64,10 +64,12 @@
files as needed.
</para>
<para>
- Groupnames must start with a lower case letter or an underscore,
- followed by lower case letters, digits, underscores, or dashes.
- They can end with a dollar sign.
- In regular expression terms: [a-z_][a-z0-9_-]*[$]?
+ Groupnames may contain only lower and upper case letters, digits,
+ underscores, or dashes. They can end with a dollar sign.
+
+ Dashes are not allowed at the beginning of the groupname.
+ Fully numeric groupnames and groupnames . or .. are
+ also disallowed.
</para>
<para>
Groupnames may only be up to &GROUP_NAME_MAX_LENGTH; characters long.