![]() ![]() Permissions are bestowed upon three possible classes: the owner, the group, and all other system users. Basics of Linux File PermissionsĪll file system objects on Unix-like systems have three main types of permissions: read, write, and execute access. If you find this guide helpful, please consider our basic administration practices guide and the Linux users and groups guide next. This guide provides a brief overview of file permissions and the operation of the chmod command in addition to a number of practical examples and applications of chmod. The chmod command is the best and easiest way to modify these file permissions. Unix-like systems, including the Linux systems that run on the Linode platform, have an incredibly robust access control system that allows systems administrators to effectively permit multiple users access to a single system without giving every user access to every file on the file system. In this guide, we will show you how to modify file and directory permissions with chmod. ![]() ![]() The chmod command allows users to change read and write permissions in Unix systems. ![]()
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