学习Linux的必要性和重要性，为Java开发工程师发展带来积极影响。

Linux-Day01.pdf is a comprehensive guide to Linux, covering topics such as Linux introduction, installation, and commonly used commands. Linux is a free and open-source operating system that is widely used in various industries. It is essential for Java developers to have Linux knowledge due to the increasing job requirements in the industry. Many job postings for Java developers require experience with Linux as it is commonly used for deploying projects on servers. Moreover, as developers work with various technologies like databases and middleware such as MySQL, Redis, and MQ, these applications are often installed and used on Linux systems. Therefore, learning Linux is not only crucial for professional growth but also necessary for successful project deployment and development in the industry.