>> sftp. > ✈dcl:~$ sftp user@1.2.3.4 > Connecting to 1.2.3.4... > user@1.2.3.4's password: > sftp> which ls > Invalid command. > sftp> > > So there, no shell. I need a shell. sftp is to ftp what ssh is to telnet. You did not have a telnet shell in the past when connecting through ftp. If you can only have one connection and need both shell and transfer access, someone suggested sshfs earlier.