ack doAck: cdup doCdUp: cwd doCwd: dele doDele: eprt doEprt: epsv doEpsv: feat doFeat: list doList: lprt doLprt: mkd doMkdir: mlst doMlst: nlst doList: noop doNoop: opts doOpts: pass doPass: pasv doPasv: port doPort: pwd doPwd: quit doQuit: retr doRetr: rmd doDele: rnfr doRnfr: rnto doRnto: size doSize: stat doStat: stor doStor: syst doSyst: type doType: user doUser: