Can someone please check for me size of the following executables on your 11.2.0.1 linux RH5 - 2.6.9-89 installation under $ORACLE_HOME/bin Is it normal for these all to be 0 bytes. Should I be concerned? -rwxr-x--- 1 aegupgr dba 0 Aug 13 22:59 ctxloadO -rwxr-x--- 1 aegupgr dba 0 Aug 13 22:59 ctxlcO -rwxr-x--- 1 aegupgr dba 0 Aug 13 22:59 ctxkbtc0 -rwxr-xr-x 1 aegupgr dba 0 Aug 13 23:01 rawutl0 -rwxr-xr-x 1 aegupgr dba 0 Aug 13 23:03 tnnfg -rwxr-xr-x 1 aegupgr dba 0 Aug 13 23:03 oklist0 -rwxr-xr-x 1 aegupgr dba 0 Aug 13 23:03 okinit0 -rwxr-xr-x 1 aegupgr dba 0 Aug 13 23:03 okdstry0 -rwxr-xr-x 1 aegupgr dba 0 Aug 13 23:04 tnslsnr0 -rwxr-xr-x 1 aegupgr dba 0 Aug 13 23:04 lsnrctl0 -rwxr-x--- 1 aegupgr dba 0 Aug 13 23:11 setasmgid0 -rwxr-x--- 1 aegupgr dba 0 Aug 13 23:11 renamedg0 -rwxr-x--- 1 aegupgr dba 0 Aug 13 23:11 amduO -rwxr-x--- 1 aegupgr dba 0 Aug 13 23:11 wrapO -rwxr-x--- 1 aegupgr dba 0 Aug 13 23:11 tstshmO -rwxr-x--- 1 aegupgr dba 0 Aug 13 23:11 trcldr -rwxr-x--- 1 aegupgr dba 0 Aug 13 23:11 sbttestO -rwxr-x--- 1 aegupgr dba 0 Aug 13 23:11 orapwdO -rwxr-x--- 1 aegupgr dba 0 Aug 13 23:11 oracleO -rwxr-x--- 1 aegupgr dba 0 Aug 13 23:11 nidO -rwxr-x--- 1 aegupgr dba 0 Aug 13 23:11 maxmemO -rwxr-x--- 1 aegupgr dba 0 Aug 13 23:11 mapsga0 -rwxr-x--- 1 aegupgr dba 0 Aug 13 23:11 hsotsO -rwxr-x--- 1 aegupgr dba 0 Aug 13 23:11 hsdepxaO -rwxr-x--- 1 aegupgr dba 0 Aug 13 23:11 hsallociO -rwxr-x--- 1 aegupgr dba 0 Aug 13 23:11 grdcscan -rwxr-x--- 1 aegupgr dba 0 Aug 13 23:11 dumpsga0 -rwxr-x--- 1 aegupgr dba 0 Aug 13 23:11 dbvO -rwxr-x--- 1 aegupgr dba 0 Aug 13 23:11 dbfsizeO -rwxr-x--- 1 aegupgr dba 0 Aug 13 23:11 cursizeO -rwxr-x--- 1 aegupgr dba 0 Aug 13 23:11 agtctlO -rwxr-x--- 1 aegupgr dba 0 Aug 13 23:13 kfodO -rwxr-x--- 1 aegupgr dba 0 Aug 13 23:13 kfedO -rwxr-xr-x 1 aegupgr dba 0 Aug 13 23:13 dg4odbcO -rwxr-xr-x 1 aegupgr dba 0 Aug 13 23:14 plshprofO -rwxr-x--- 1 aegupgr dba 0 Aug 13 23:14 uidrvciO -rwxr-x--- 1 aegupgr dba 0 Aug 13 23:14 tkprofO -rwxr-x--- 1 aegupgr dba 0 Aug 13 23:14 sqlldrO -rwxr-x--- 1 aegupgr dba 0 Aug 13 23:14 impdpO -rwxr-x--- 1 aegupgr dba 0 Aug 13 23:14 impO -rwxr-x--- 1 aegupgr dba 0 Aug 13 23:14 extprocO -rwxr-x--- 1 aegupgr dba 0 Aug 13 23:14 expdpO -rwxr-x--- 1 aegupgr dba 0 Aug 13 23:14 expO -rwxr-x--- 1 aegupgr dba 0 Aug 13 23:14 dg4pwdO -rwxr-xr-x 1 aegupgr dba 0 Aug 13 23:16 ojmxtool0 -rwxr-xr-x 1 aegupgr dba 0 Aug 13 23:16 nmupm0 -rwxr-xr-x 1 aegupgr dba 0 Aug 13 23:16 nmosudo0 -rwxr-xr-x 1 aegupgr dba 0 Aug 13 23:16 nmocat0 -rwxr-xr-x 1 aegupgr dba 0 Aug 13 23:16 nmo0 -rwxr-xr-x 1 aegupgr dba 0 Aug 13 23:16 nmhs0 -rwxr-xr-x 1 aegupgr dba 0 Aug 13 23:16 nmei0 -rwxr-xr-x 1 aegupgr dba 0 Aug 13 23:16 nmb0 -rwxr-xr-x 1 aegupgr dba 0 Aug 13 23:16 emtgtctl20 -rwxr-xr-x 1 aegupgr dba 0 Aug 13 23:16 emdctl0 -rwxr-xr-x 1 aegupgr dba 0 Aug 13 23:16 emagtmc0 -rwxr-xr-x 1 aegupgr dba 0 Aug 13 23:16 emagtm0 -rwxr-xr-x 1 aegupgr dba 0 Aug 13 23:16 emagent0 -rwxr-xr-x 1 aegupgr dba 0 Aug 13 23:16 e2eme0