C:\WINDOWS>HELP ASSOC
Displays or modifies file extension associations
ASSOC
[.ext
[=
[fileType
]]] .ext Specifies the file extension to associate the file type with
fileType Specifies the file type to associate with the file extension
Type ASSOC without parameters to display the current file associations.
If ASSOC is invoked with just a file extension, it displays the current
file association for that file extension. Specify nothing for the file
type and the command will delete the association for the file extension.
EXAMPLE
D:\SoftwareOK>ASSOC .txt
.txt=txtfile
D:\SoftwareOK>ASSOC
.323=h323file
.386=vxdfile
.7z=WinMount3.7z
.aca=Agent.Character.2
.acf=Agent.Character.2
.acg=Agent.Preview.2
.acl=ACLFile
.acs=Agent.Character2.2
.acw=acwfile
.ai=
.aif=AIFFFile
.aifc=AIFFFile
.aiff=AIFFFile
.ani=anifile
.api=AcroExch.Plugin
.application=
.aps=
.asa=aspfile
.ascx=
.asf=ASFFile
.asm=
.asmx=
.asp=aspfile
.aspx=
.asx=ASXFile
.au=AUFile
.AudioCD=
.avi=avifile
.aw=AWFile
.bat=batfile
.bfc=Briefcase
.bin=
.bkf=msbackupfile
.blg=PerfFile
.bmp=Paint.Picture
.bsc=
.c=
.cab=CLSID\{0CD7A5C0-9F37-11CE-AE65-08002B2E1262}
.cat=CATFile
.cda=CDAFile
.cdc=NeroCDCoverType
.CDR=PSP.Bild
.cdx=aspfile
.cer=CERFile
.CFG=CFG_auto_file
.cgm=PSP.Bild
.chk=chkfile
.chm=chm.file
.clp=clpfile
.cmd=cmdfile
.CMX=PSP.Bild
.cnf=ConferenceLink
.col=COLFile
.com=comfile
.cpl=cplfile
.cpp=cpp_auto_file
.crl=CRLFile
.crt=CERFile
.css=CSSfile
.csv=Excel.CSV
.CTT=MessengerContactList
.cur=curfile
.CUT=PSP.Bild
.cxx=
.dat=
.db=dbfile
.dbg=
.dcs=dcsfile
.dct=
.def=
.der=CERFile
.DeskLink=CLSID\{9E56BE61-C50F-11CF-9A2C-00A0C90A90CE}
.dib=Paint.Picture
.dic=txtfile
.dif=Excel.DIF
.diz=
.dll=dllfile
.dl_=
.doc=Word.Document.8
.dochtml=wordhtmlfile
.docmhtml=wordmhtmlfile
.dos=
.dot=Word.Template.8
.dothtml=wordhtmltemplate
.dqy=dqyfile
.drv=drvfile
.DRW=PSP.Bild
.dsn=ODBC.FileDSN
.dsw=dsw_auto_file
.dun=dunfile
.dvd=
.dvr-ms=WMP.DVR-MSFile
.DXF=PSP.Bild
.ecs=ecsfile
.edn=EDNActivation
.elm=ELMFile
.emf=emffile
.eml=Microsoft Internet Mail Message
.emulecollection=
.eps=
.etd=EBXTransfer
.exc=txtfile
.exe=exefile
.exp=
.ex_=
.eyb=
.fcs=fcsfile
.fdf=AcroExch.FDFDoc
.ffa=FFAFile
.ffl=FFLFile
.fft=FFTFile
.ffx=FFXFile
.fif=
.fnd=fndfile
.fnt=
.Folder=
.fon=fonfile
.fpdoclib=FrontPage.doclib
.fphomeop=FrontPage.homepageopen
.fphomepg=FrontPage.homepage
.fphtml=fphtmlfile
.fplist=FrontPage.list
.fpnopub=FrontPage.dontpublish
.fpopen=FrontPage.openfile
.fpsurvey=FrontPage.survey
.fpweb=fpdbw
.GEM=PSP.Bild
.ghi=
.gif=giffile
.gra=MSGraph.Chart.8
.grp=MSProgramGroup
.gz=
.h=h_auto_file
.HGL=PSP.Bild
.hhc=
.hlp=hlpfile
.hpp=
.hqx=
.ht=htfile
.hta=htafile
.htc=htcfile
.htm=htmlfile
.html=htmlfile
.htt=httfile
.htw=
.htx=htxfile
.hxx=
.icc=icmfile
.icm=icmfile
.ico=icofile
.idb=
.idc=idcfile
.idl=
.idq=
.IFF=PSP.Bild
.iii=iiifile
.ilk=
.imc=
.IMG=PSP.Bild
.inc=
.inf=inffile
.ini=inifile
.ins=x-internet-signup
.inv=
.inx=
.in_=
.iqy=iqyfile
.iso=WinMount3.iso
.isp=x-internet-signup
.its=ITS File
.ivf=IVFfile
.java=
.jbf=PSP.Browser-Datei
.jfif=pjpegfile
.JIF=PSP.Bild
.job=JobObject
.jod=Microsoft.Jet.OLEDB.4.0
.jpe=jpegfile
.jpeg=jpegfile
.jpg=jpegfile
.js=JSFile
.JSE=JSEFile
.latex=
.LBM=PSP.Bild
.lex=LEXFile
.lib=
.lnk=lnkfile
.local=
.log=txtfile
.lwv=LWVFile
.m14=
.m1v=mpegfile
.m2v=m2v_auto_file
.m3u=m3ufile
.MAC=PSP.Bild
.man=
.manifest=
.MAPIMail=CLSID\{9E56BE60-C50F-11CF-9A2C-00A0C90A90CE}
.mdb=
.mgc=MediaCatalogMGC
.mht=mhtmlfile
.mhtml=mhtmlfile
.mid=midfile
.midi=midfile
.mmf=
.mml=MediaCatalogMML
.mmm=MPlayer
.mmw=MediaCatalogMMW
.mou=WinMount3.mou
.mov=
.movie=
.mp2=mpegfile
.mp2v=mpegfile
.mp3=mp3file
.mpa=mpegfile
.mpe=mpegfile
.mpeg=mpegfile
.mpf=MediaPackageFile
.mpg=mpegfile
.mpv2=mpegfile
.msc=MSCFile
.msg=
.msi=Msi.Package
.msp=Msi.Patch
.MsRcIncident=MsRcIncident
.msstyles=msstylesfile
.MSWMM=Windows.Movie.Maker
.mv=
.mydocs=CLSID\{ECF03A32-103D-11d2-854D-006008059367}
.nbi=NBBACKUPType
.ncb=
.ncd=Nero Cover Designer.Document
.nco=NBCOMPRESSType
.ncs=ncsfile
.nct=Nero Cover Designer.Template
.nfo=MSInfo.Document
.nhf=NeroHFSType
.nji=NBJOBType
.nls=
.nmd=NerominiDVDType
.NMW=T126_Whiteboard
.nr3=NeroMP3Type
.nra=NeroAudioType
.nrb=NeroCDROMBootType
.nrc=NeroUDFISOType
.nrd=NeroDVDVideoType
.nre=NeroCDExtraType
.nrg=NeroImageType
.nrh=NeroCDROMHybridType
.nri=NeroCDROMType
.nrm=NeroMixedModeType
.nrs=NeroCDROMEFIBootType
.nru=NeroUDFType
.nrv=NeroVideoType
.nrw=NeroWMAType
.nsc=
.nsd=NeroSuperVideoType
.nvr=
.nws=Microsoft Internet News Message
.obd=Office.Binder.9
.obj=
.obt=Office.Binder.Template.9
.obz=Office.Binder.Wizard.9
.ocx=ocxfile
.oc_=
.odc=odcfile
.odccubefile=odccubefile
.odcdatabasefile=odcdatabasefile
.odcnewfile=odcnewfile
.odctablefile=odctablefile
.opc=OPCFile
.oqy=oqyfile
.otf=otffile
.p10=P10File
.p12=PFXFile
.p7b=SPCFile
.p7c=certificate_wab_auto_file
.p7m=P7MFile
.p7r=SPCFile
.p7s=P7SFile
.pbk=pbkfile
.PBM=PSP.Bild
.pcb=PCBFile
.PCD=PSP.Bild
.pch=
.PCT=PSP.Bild
.PCX=PSP.Bild
.pdb=
.pdf=AcroExch.Document
.pds=
.pdx=PDXFileType
.pfm=pfmfile
.pfx=PFXFile
.PGM=PSP.Bild
.php3=
.pic=PSP.Bild
.pif=piffile
.pip=PIPFile
.pko=PKOFile
.pl=Perl
.plg=
.pls=PerlScriptFile
.pma=PerfFile
.pmc=PerfFile
.pml=PerfFile
.pmr=PerfFile
.pmw=PerfFile
.pnf=pnffile
.png=pngfile
.pot=PowerPoint.Template.8
.pothtml=powerpointhtmltemplate
.ppa=PowerPoint.Addin.8
.ppi=ppifile
.PPM=PSP.Bild
.pps=PowerPoint.SlideShow.8
.ppt=PowerPoint.Show.8
.ppthtml=powerpointhtmlfile
.pptmhtml=powerpointmhtmlfile
.prf=prffile
.ps=
.psd=PSP.Bild
.psw=PSWFile
.psz=pszfile
.pwz=PowerPoint.Wizard.8
.qdr=qdirdoc
.qds=SavedDsQuery
.rar=WinMount3.rar
.RAS=PSP.Bild
.rat=ratfile
.RAW=PSP.Bild
.rc=
.RDP=RDP.File
.reg=regfile
.res=
.rle=PSP.Bild
.rmf=AcroExch.RMFFile
.rmi=midfile
.rnk=rnkfile
.rpc=
.rqy=rqyfile
.rsp=
.rtf=Word.RTF.8
.sam=
.sbr=
.sc2=
.scf=SHCmdFile
.scp=txtfile
.scr=scrfile
.sct=scriptletfile
.sdb=appfixfile
.secstore=AcroExch.SecStore
.sed=
.shb=DocShortcut
.shs=ShellScrap
.shtm=htmlfile
.shtml=htmlfile
.shw=
.sit=
.slk=Excel.SLK
.sll=SSLFile
.snd=AUFile
.spc=SPCFile
.spl=ShockwaveFlash.ShockwaveFlash
.sql=
.sr_=
.sst=CertificateStoreFile
.stf=STFFile
.stl=STLFile
.stm=htmlfile
.swf=ShockwaveFlash.ShockwaveFlash
.sym=
.sys=sysfile
.sy_=
.tar=
.tcs=tcsfile
.text=
.TGA=PSP.Bild
.tgz=
.theme=themefile
.tif=TIFImage.Document
.tiff=TIFImage.Document
.tlb=
.tsp=
.tsv=
.ttc=ttcfile
.ttf=ttffile
.tvp=nView.Profile
.txt=txtfile
.UDL=MSDASC
.ufo=
.uif=MagicISO.Document
.uip=uipfile
.uls=ulsfile
.url=InternetShortcut
.VBE=VBEFile
.vbs=VBSFile
.vbx=
.vcf=vcard_wab_auto_file
.vfd=Virtual.Machine.Floppy
.vhd=Virtual.Machine.HD
.vmc=Virtual.Machine.VMC
.vsv=Virtual.Machine.Save.State
.vud=Virtual.Machine.Undo.Drive
.vxd=vxdfile
.wab=wab_auto_file
.wav=soundrec
.wax=WAXFile
.wb2=
.wbk=Word.Backup.8
.wcs=wcsfile
.wdp=wdpfile
.web=WEBFile
.webpnp=webpnpFile
.WHT=Whiteboard
.wim=WinMount3.wim
.wiz=Word.Wizard.8
.wk4=
.wll=Word.Addin.8
.wlt=
.wm=ASFFile
.wma=WMAFile
.wmd=WMDFile
.wmdb=WMP.WMDBFile
.wmf=wmffile
.wmp=
.wms=WMSFile
.wmv=WMVFile
.wmx=ASXFile
.wmz=WMZFile
.wpd=
.wpg=PSP.Bild
.wpl=WPLFile
.wri=wrifile
.wsc=scriptletfile
.WSF=WSFFile
.WSH=WSHFile
.wsz=
.wtx=txtfile
.wvx=WVXFile
.x=
.xaml=
.xbap=
.xbm=
.xdp=AcroExch.XDPDoc
.xfdf=AcroExch.XFDFDoc
.xix=
.xla=Excel.Addin
.xlb=Excel.Sheet.8
.xlc=Excel.Chart.8
.xld=Excel.Dialog
.xlk=Excel.Backup
.xll=Excel.XLL
.xlm=Excel.Macrosheet
.xls=Excel.Sheet.8
.xlshtml=Excelhtmlfile
.xlsmhtml=excelmhtmlfile
.xlt=Excel.Template
.xlthtml=Excelhtmltemplate
.xlv=Excel.VBAModule
.xlw=Excel.Workspace
.xml=xmlfile
.xps=
.xsl=xslfile
.z=
.z96=
.zap=zapfile
.ZFSendToTarget=CLSID\{888DCA60-FC0A-11CF-8F0F-00C04FD7D062}
.zss=zss-doc
C:\WINDOWS>HELP AT
The AT command schedules commands and programs to run on a computer at
a specified time and date. The Schedule service must be running to use
the AT command.
AT
[\\computername
] [ [id
] [/DELETE
] | /DELETE
[/YES
]] AT
[\\computername
] time
[/INTERACTIVE
] [ /EVERY:date
[,...
] | /NEXT:date
[,...
]] "command"
\\computername Specifies a remote computer. Commands are scheduled on the
local computer if this parameter is omitted.
id Is an identification number assigned to a scheduled
command.
/delete Cancels a scheduled command. If id is omitted, all the
scheduled commands on the computer are canceled.
/yes Used with cancel all jobs command when no further
confirmation is desired.
time Specifies the time when command is to run.
/interactive Allows the job to interact with the desktop of the user
who is logged on at the time the job runs.
/every:date
[,...
] Runs the command on each specified day(s) of the week or
month. If date is omitted, the current day of the month
is assumed.
/next:date
[,...
] Runs the specified command on the next occurrence of the
day (for example, next Thursday). If date is omitted, the
current day of the month is assumed.
"command" Is the Windows NT command, or batch program to be run.
C:\WINDOWS>HELP ATTRIB
Displays or changes file attributes.
ATTRIB
[+R | -R
] [+A | -A
] [+S | -S
] [+H | -H
] [drive:
][path
][filename
] [/S
[/D
]] + Sets an attribute.
- Clears an attribute.
R Read-only file attribute.
A Archive file attribute.
S System file attribute.
H Hidden file attribute.
[drive:
][path
][filename
] Specifies a file or files for attrib to process.
/S Processes matching files in the current folder
and all subfolders.
/D Processes folders as well.
