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List of contents of this article:

• 1,Arena Plus login Yisaitong Electronic Document Security Management System (Protect your data security)
• 2, File system refers to
• 3, centos disk and file system management

Yisaitong Electronic Document Security Management System (protect your data security)

Yisaitong Electronic Document Security Management System is a professional data security management software designed to help users protect the security of their electronic documents. . It provides a series of functions and tools that enable users to easily manage and control access to their electronic documents to prevent unauthorized access and leakage.

Yisaitong is a company specializing in document security, data security and network security services. Our company uses the system of Yisaitong, especially its document encryption system, which has high security and complete functions, which can effectively protect the security of computer files and document data.

First, after logging in to the Yisaitong electronic document, enter my interface, and then click to enter the setting interface. Secondly, click the security management system and opt out of the current security management system. In addition, the electronic documents of Yisaitong, which are withdrawn from the security management system, will be weakened from the perspective of security. Pay attention to privacy protection.

Document security products jointly created by Yisaitong and Green League Cloud, Alibaba Cloud and Huawei Cloud: document security management system, document transparency and decryption system, DLP data leakage protection solution and many technologies.

file system means

1. System file refers to the folder that stores the main files of the operating system. Generally, the relevant files are automatically created and placed in the corresponding folder during the installation of the operating system, and the files in it directly affect The normal operation of the system is not allowed to be changed at will. Its existence plays an important role in maintaining the stability of the computer system.

2. File management system is a computer software used to organize and manage digital data files, including text documents, images, audio and video and other types of files.

3. File system: refers to the file management system in the computer operating system, which is essentially a software system for managing and accessing files. It is composed of files and management programs.File system function: It can define the required file organization and provide an environment for establishing and accessing data.

centos disk and file system management

1. First of all, you may as well check the available Information of hard drive and LVM roll. The following command will display information about existing disk storage devices, storage pools, LVM volumes and storage snapshots.The output comes from the newly installed CentOS 7, which uses LVM and XFS file systems by default.

2. Asynchronous processing. When modifying, read the file into the memory and mark it as clean. After modification, it is marked as dirty but not immediately written to the hard disk, and sync needs to be called. Abnormal shutdown will lead to disk verification.

3. After creating a file system for the partition, the next step is to mount it to a mount point under the virtual directory, so that the data can be stored in the new file system. You can mount the new file system to any location in the virtual directory that requires additional space through the mount command.