SCP
SCP (Secure Copy Protocol) is a command-line tool used for securely transferring files between a local host and a remote host or between two remote hosts over a network. It leverages SSH (Secure Shell) for authentication and encryption, ensuring data confidentiality and integrity during transfer. SCP is commonly included with SSH implementations and is available on Unix-like systems (Linux, macOS) and Windows (via tools like OpenSSH).
Developers should learn SCP when they need to securely copy files in environments where SSH is already configured, such as deploying code to servers, backing up data, or transferring configuration files in DevOps workflows. It is particularly useful for automation scripts, remote server management, and scenarios where GUI-based tools are unavailable or inefficient, offering a simple and reliable method for file transfers with minimal setup.