Added new option -r, --system for system accounts in useradd, groupadd,

and newusers.

etc/login.defs

@@ -214,12 +214,18 @@ CRACKLIB_DICTPATH	/var/cache/cracklib/cracklib_dict
 #
 UID_MIN			 1000
 UID_MAX			60000
+# System accounts
+SYS_UID_MIN		  100
+SYS_UID_MAX		  999
 
 #
 # Min/max values for automatic gid selection in groupadd
 #
-GID_MIN			  100
+GID_MIN			 1000
 GID_MAX			60000
+# System accounts
+SYS_GID_MIN		  100
+SYS_GID_MAX		  999
 
 #
 # Max number of login retries if password is bad