here is a list of all possible stsadm commands used in sharepoint site, this list was passed to me by a friend, thanks amzi
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1. stsadm -o activatefeature {-filename
-name -id } [-url ] [-force] 2. stsadm -o activateformtemplate -url [-formid -filename ] 3. stsadm -o addalternatedomain -url -incomingurl -urlzone -resourcename 4. stsadm -o addcontentdb -url -databasename [-databaseserver ] [-databaseuser ] [-databasepassword ] [-sitewarning ] [-sitemax ] 5. stsadm -o adddataconnectionfile -filename [-webaccessible ] [-overwrite ] [-category ] 6. stsadm -o add-ecsfiletrustedlocation -Ssp -Location -LocationType SharePointUncHttp -IncludeChildren TrueFalse [-SessionTimeout ] [-ShortSessionTimeout ] [-MaxRequestDuration ] [-MaxWorkbookSize ] [-MaxChartSize ] [-VolatileFunctionCacheLifetime ] [-DefaultWorkbookCalcMode FileManualAutoAutoDataTables] [-AllowExternalData NoneDclDclAndEmbedded] [-WarnOnDataRefresh TrueFalse] [-StopOpenOnRefreshFailure TrueFalse] [-PeriodicCacheLifetime ] [-ManualCacheLifetime ] [-MaxConcurrentRequestsPerSession ] [-AllowUdfs TrueFalse] [-Description ] 7. stsadm -o add-ecssafedataprovider -Ssp -ID -Type OledbOdbcOdbcDsn [-Description ] 8. stsadm -o add-ecstrusteddataconnectionlibrary -Ssp -Location [-Description ] 9. stsadm -o add-ecsuserdefinedfunction -Ssp -Assembly (strong) -AssemblyLocation GACFile [-Enable TrueFalse] [-Description ] 10. stsadm -o addexemptuseragent -name 11. stsadm -o addpath -url -type 12. stsadm -o addpermissionpolicy -url -userlogin -permissionlevel [-zone ] [-username ] 13. stsadm -o addsolution -filename [-lcid ] 14. stsadm -o addtemplate -filename -title [-description ] 15. stsadm -o adduser -url -userlogin -useremail <someone@example.com > -role / -group -username [-siteadmin] 16. stsadm -o addwppack -filename [-lcid ] [-url ] [-globalinstall] [-force] [-nodeploy] 17. stsadm -o addwppack -name [-lcid ] [-url ] [-globalinstall] [-force] 18. stsadm -o addzoneurl -url -urlzone -zonemappedurl -resourcename 19. stsadm -o allowuserformwebserviceproxy -url -enable 20. stsadm -o allowwebserviceproxy -url -enable 21. stsadm -o associatewebapp -title [-default -parent] -url [-all] 22. stsadm -o authentication -url -type [-usebasic (valid only in windows authentication mode)] [-usewindowsintegrated (valid only in windows authentication mode)] [-exclusivelyusentlm (valid only in windows authentication mode)] [-membershipprovider ] [-rolemanager ] [-enableclientintegration] [-allowanonymous] 23. stsadm -o backup -url -filename [-overwrite] 24. stsadm -o backup -directory -backupmethod [-item ] [-percentage ] [-backupthreads ] [-showtree] [-quiet] 25. stsadm -o backuphistory -directory [-backup] [-restore] 26. stsadm -o binddrservice -servicename -setting 27. stsadm -o blockedfilelist -extension -add [-url ] 28. stsadm -o blockedfilelist -extension -delete [-url ] 29. stsadm -o canceldeployment -id 30. stsadm -o changepermissionpolicy -url -userlogin [-zone ] [-username ] [{ -add -delete } -permissionlevel ] 31. stsadm -o copyappbincontent 32. stsadm -o createadminvs [-admapidname ] [-admapidtype ] [-admapidlogin ] [-admapidpwd ] 33. stsadm -o createcmsmigrationprofile -profilename [-description ] [-connectionstring ] -databaseserver -databasename -databaseuser [-databasepassword ] [-auth windowsauthsqlauth] -destination [-rootchannel ] [-destinationlocale ] [-migrateresources onlyusedall] [-migrateacls yesno] [-emailto ] [-emailon successfailurenoneboth] [-keeptemporaryfiles NeverAlwaysFailure] [-enableeventreceivers yesno] 34. stsadm -o creategroup -url -name -description -ownerlogin [-type membervisitorowner] 35. stsadm -o createsite -url -owneremail <someone@example.com > [-ownerlogin ] [-ownername ] [-secondaryemail <someone@example.com >] [-secondarylogin ] [-secondaryname ] [-lcid ] [-sitetemplate ] [-title ] [-description ] [-hostheaderwebapplicationurl ] [-quota ] 36. stsadm -o createsiteinnewdb -url -owneremail <someone@example.com > [-ownerlogin ] [-ownername ] [-secondaryemail <someone@example.com >] [-secondarylogin ] [-secondaryname ] [-lcid ] [-sitetemplate ] [-title ] [-description ] [-hostheaderwebapplicationurl ] [-quota ] [-databaseuser ] [-databasepassword ] [-databaseserver ] [-databasename ] 37. stsadm -o createssp -title -url -mysiteurl -ssplogin -indexserver -indexlocation [-ssppassword ] [-sspdatabaseserver ] [-sspdatabasename ] [-sspsqlauthlogin ] [-sspsqlauthpassword ] [-searchdatabaseserver ] [-searchdatabasename ] [-searchsqlauthlogin ] [-searchsqlauthpassword ] [-ssl ] 38. stsadm -o createweb -url [-lcid ] [-sitetemplate ] [-title ] [-description ] [-convert] [-unique] 39. stsadm -o databaserepair -url -databasename [-deletecorruption] 40. stsadm -o deactivatefeature {-filename -name -id } [-url ] [-force] 41. stsadm -o deactivateformtemplate -url [-formid ] [-filename ] 42. stsadm -o deleteadminvs 43. stsadm -o deletealternatedomain -url -incomingurl 44. stsadm -o deletecmsmigrationprofile -profilename 45. stsadm -o deleteconfigdb 46. stsadm -o deletecontentdb -url -databasename [-databaseserver ] 47. stsadm -o deletegroup -url -name 48. stsadm -o deletepath -url 49. stsadm -o deletepermissionpolicy -url -userlogin [-zone ] 50. stsadm -o deletesite -url -deleteadaccounts 51. stsadm -o deletesolution -name [-override] [-lcid ] 52. stsadm -o deletessp -title [-deletedatabases] 53. stsadm -o deletessptimerjob -title -jobid 54. stsadm -o deletetemplate -title [-lcid ] 55. stsadm -o deleteuser -url -userlogin [-group ] 56. stsadm -o deleteweb -url 57. stsadm -o deletewppack -name [-lcid ] [-url ] 58. stsadm -o deletezoneurl -url -urlzone -resourcename 59. stsadm -o deploysolution -name [-url ] [-allcontenturls] [-time ] [-immediate] [-local] [-allowgacdeployment] [-allowcaspolicies] [-lcid ] [-force] 60. stsadm -o deploywppack -name [-url ] [-time ] [-immediate] [-local] [-lcid ] [-globalinstall] [-force] 61. stsadm -o disablessc -url 62. stsadm -o displaysolution -name 63. stsadm -o editcmsmigrationprofile -profilename [-description ] [-connectionstring ] [-databaseserver ] [-databasename ] [-databaseuser ] [-databasepassword ] [-auth sqlauthwindowsauth] [-emailto ] [-emailon successfailurenoneboth] [-excludeschema ] [-keeptemporaryfiles NeverAlwaysFailure] [-enableeventreceivers yesno] 64. stsadm -o editcontentdeploymentpath -pathname [-keeptemporaryfiles NeverAlwaysFailure] [-enableeventreceivers yesno] [-enablecompression yesno] 65. stsadm -o editssp -title [-newtitle ] [-sspadminsite ] [-ssplogin ] [-ssppassword ] [-indexserver ] [-indexlocation ] [-setaccounts ] [-ssl ] 66. stsadm -o email -outsmtpserver -fromaddress <someone@example.com > -replytoaddress <someone@example.com > -codepage [-url ] 67. stsadm -o enablecmsurlredirect -profilename -off