[English] Debian Almquist Shell (dash) sftp Usage: Secure File Transfer Protocol Command

Overview

The sftp command in the Debian Almquist Shell (dash) is used for secure file transfer over the SSH protocol. It allows users to transfer files to and from a remote server securely, making it a preferred choice for many when dealing with sensitive data.

Usage

The basic syntax of the sftp command is as follows:

sftp [options] [user@]host

Common Options

• -o: Specify options in the format used in the SSH command.
• -P: Specify the port to connect to on the remote host.
• -b: Use a batch file for non-interactive mode.
• -v: Enable verbose mode for debugging.

Common Examples

Here are some practical examples of using the sftp command:

1. Connecting to a remote server:

   sftp user@hostname
   

2. Transferring a file from local to remote:

   sftp user@hostname:/path/to/remote/dir <<< $'put localfile.txt'
   

3. Transferring a file from remote to local:

   sftp user@hostname:/path/to/remote/file.txt <<< $'get file.txt'
   

4. Using a specific port to connect:

   sftp -P 2222 user@hostname
   

5. Using a batch file for multiple commands:

   sftp -b batchfile.txt user@hostname
   

Tips

• Always ensure that your SSH keys are set up for passwordless authentication to streamline your file transfers.
• Use the -v option when troubleshooting connection issues to get detailed output.
• Regularly check the permissions of your files and directories on the remote server to maintain security.