HerearethePuTTYfilesthemselves:PuTTY(theTelnetandSSHclientitself)PSCP(anSCPclient,i.e.command-linesecurefilecopy)PSFTP(anSFTPclient,i.e.generalfiletransfersessionsmuchlikeFTP)PuTTYtel(aTelnet-onlyclient)Plink(acommand-lineinterfacetothePuTTYbackends)Pageant(anSSHauthenticationagent