Understanding the Linux Command: chmod
In the Linux, macOS, and UNIX operating systems, every file has three permissions: read, write, and execute. These permissions are represented by a string of characters when using the ls -al command. Understanding and changing file permissions is important for managing access to files and directories. Let’s dissect the permission string: drwxr-xr-x. The first character represents the type of file: - indicates a normal file d indicates a directory l indicates a link The next three sets of characters represent the permissions for the owner, group, and everyone else, respectively....