data transmission

In this post, we explore the powerful yet often underappreciated Linux command dd for handling I/O operations, particularly focused on its application to serial ports such as /dev/ttyUSB0. Serial ports are crucial for low-level communication between computers and various devices like modems, sensors, and microcontrollers. Q&A on Using dd for Serial Port Operations Q1: What is the dd command in Linux? A: The dd command in Linux stands for 'data duplicator'. It is used primarily for copying and converting data. This command can copy data from one file or block device to another, handling differing block sizes and managing conversion settings, making it remarkably flexible.

In the realm of web development and system administration, there are often needs to fetch or send data from and to various servers. This task may become challenging when dealing with proxy servers. Fortunately, curl, a powerful tool, offers a method to bypass proxy settings for specific commands without altering environment variables. Let’s dive into how you can achieve this using the --socks5-hostname option. A1: curl is a command-line tool used for transferring data with URL syntax. It supports various protocols including HTTP, HTTPS, FTP, FTPS, SCP, SFTP, and more. It is known for its versatility and widespread usage in handling data across networks.