Logon command

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 SuSE 9.0 KDE Is there a way to execute a command when a user logs in? -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.2 (GNU/Linux) iD8DBQFAvI8IjeziQOokQnARAsNHAKCuWCW73s1C0CU4eggyBfn03y9esgCffF3J pr2JhYYrPyzBajypOLtXysI= =XMJM -----END PGP SIGNATURE-----