Your Guide to Understanding FTP.

Connection Modes

ASCII
BINARY

Transfer Modes

ACTIVE
PASSIVE

Encryption Types

Commands

Access Control

Transfer Parameters

Service Commands

Command Aliases

SECURE FILE TRANSFERS
Secure, Automatically Encrypted, Full Featured, Easy to use FTP Site at a low cost. Free secure online FTP Client!
www.MTFTP.com

An Easy FTP Alternative
Very Secure Yet Easy To Use. NO SOFTWARE NEEDED. An Easy Web Based Alternative to an FTP Site.
FilesToGo.com

LOW COST FTP SITE / SERVER
Professional Full Featured FTP Site / Server / Hosting. Unlimited Space / Users. Free Online FTP Client Software.
www.FTPToGo.com

APPE

APPEND

This command causes the server to accept the data transferred and to store that data in an existing file at the server site. If the file specified exists on the server then the data shall be appended to that file; otherwise the file specified shall be created.