useradd in AIX ??

[coolaix]

I always thought "useradd" command will not run in AIX.
But I'm really surprised to see it now. See below..

when it was added in AIX can somebody tell me pls?

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536>useradd
Usage: useradd [ -c comment ] [-d dir ] [ -e expire ] [ -g group ] [ -G group1,group2 ... ] [ -m [ -k skel_dir ] ] [ -u uid ] [ -s shell ] [ -r role1,role2 ... ] login
root@aixue1:/root
537>which useradd
/usr/sbin/useradd
root@aixue1:/root
538>lslpp -w /usr/sbin/useradd
File Fileset Type
----------------------------------------------------------------------------
/usr/sbin/useradd bos.rte.security File
root@aixue1:/root
539>oslevel
5.3.0.0
root@aixue1:/root
540>uname -a
AIX aixue1 3 5 00C0364A4C00
root@aixue1:/root
541>
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