diff --git a/src/filetransfer/mod.rs b/src/filetransfer/mod.rs
new file mode 100644
index 0000000..5d7ce74
--- /dev/null
+++ b/src/filetransfer/mod.rs
@@ -0,0 +1,99 @@
+//! ## FileTransfer
+//!
+//! `filetransfer` is the module which provides the trait file transfers must implement and the different file transfers
+
+/*
+*
+*   Copyright (C) 2020 Christian Visintin - christian.visintin1997@gmail.com
+*
+* 	This file is part of "TermSCP"
+*
+*   TermSCP is free software: you can redistribute it and/or modify
+*   it under the terms of the GNU General Public License as published by
+*   the Free Software Foundation, either version 3 of the License, or
+*   (at your option) any later version.
+*
+*   TermSCP is distributed in the hope that it will be useful,
+*   but WITHOUT ANY WARRANTY; without even the implied warranty of
+*   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+*   GNU General Public License for more details.
+*
+*   You should have received a copy of the GNU General Public License
+*   along with TermSCP.  If not, see <http://www.gnu.org/licenses/>.
+*
+*/
+
+use std::path::PathBuf;
+use std::fs::File;
+
+use crate::fs::FsEntry;
+
+/// ## FileTransferProtocol
+///
+/// This enum defines the different transfer protocol available in TermSCP
+
+#[derive(PartialEq, Clone)]
+pub enum FileTransferProtocol {
+    Scp,
+    Sftp,
+    Ftps,
+}
+
+/// ## FileTransferError
+///
+/// FileTransferError defines the possible errors available for a file transfer
+
+#[derive(PartialEq, Clone)]
+pub enum FileTransferError {
+
+}
+
+/// ## FileTransfer
+/// 
+/// File transfer trait must be implemented by all the file transfers and defines the method used by a generic file transfer
+
+pub trait FileTransfer {
+
+    /// ### connect
+    /// 
+    /// Connect to the remote server
+
+    fn connect(&mut self, address: String, port: usize, username: Option<String>, password: Option<String>) -> Result<(), FileTransferError>;
+
+    /// ### disconnect
+    /// 
+    /// Disconnect from the remote server
+
+    fn disconnect(&mut self) -> Result<(), FileTransferError>;
+
+    /// ### pwd
+    /// 
+    /// Print working directory
+
+    fn pwd(&self) -> Result<PathBuf, FileTransferError>;
+
+    /// ### change_dir
+    /// 
+    /// Change working directory
+
+    fn change_dir(&mut self, dir: PathBuf) -> Result<PathBuf, FileTransferError>;
+
+    /// ### list_dir
+    /// 
+    /// List directory entries
+
+    fn list_dir(&self) -> Result<Vec<FsEntry>, FileTransferError>;
+
+    /// ### send_file
+    /// 
+    /// Send file to remote
+    /// File name is referred to the name of the file as it will be saved
+    /// Data contains the file data
+    fn send_file(&self, file_name: PathBuf, file: File) -> Result<(), FileTransferError>;
+
+    /// ### recv_file
+    /// 
+    /// Receive file from remote with provided name
+    fn recv_file(&self, file_name: PathBuf) -> Result<Vec<u8>, FileTransferError>;
+
+}
diff --git a/src/fs/mod.rs b/src/fs/mod.rs
index 1126a39..899a9ec 100644
--- a/src/fs/mod.rs
+++ b/src/fs/mod.rs
@@ -26,6 +26,15 @@
 use std::path::PathBuf;
 use std::time::Instant;
 
+/// ## FsEntry
+/// 
+/// FsEntry represents a generic entry in a directory
+
+pub enum FsEntry {
+    Directory(FsDirectory),
+    File(FsFile)
+}
+
 /// ## FsDirectory
 ///
 /// Directory provides an interface to file system directories
diff --git a/src/host/mod.rs b/src/host/mod.rs
new file mode 100644
index 0000000..d32a18c
--- /dev/null
+++ b/src/host/mod.rs
@@ -0,0 +1,25 @@
+//! ## Host
+//!
+//! `host` is the module which provides functionalities to host file system
+
+/*
+*
+*   Copyright (C) 2020 Christian Visintin - christian.visintin1997@gmail.com
+*
+* 	This file is part of "TermSCP"
+*
+*   TermSCP is free software: you can redistribute it and/or modify
+*   it under the terms of the GNU General Public License as published by
+*   the Free Software Foundation, either version 3 of the License, or
+*   (at your option) any later version.
+*
+*   TermSCP is distributed in the hope that it will be useful,
+*   but WITHOUT ANY WARRANTY; without even the implied warranty of
+*   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+*   GNU General Public License for more details.
+*
+*   You should have received a copy of the GNU General Public License
+*   along with TermSCP.  If not, see <http://www.gnu.org/licenses/>.
+*
+*/
+
diff --git a/src/lib.rs b/src/lib.rs
index 8129ad6..8de1a24 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -18,3 +18,7 @@
 *   along with TermSCP.  If not, see <http://www.gnu.org/licenses/>.
 *
 */
+
+pub mod filetransfer;
+pub mod fs;
+pub mod host;