Learn Linux Shell Scripting - Fundamentals of Bash 4.4

Summary

In this chapter, we have looked at the Linux permissions scheme. We have learned that there are two main axes on which permissions are arranged: file permissions and file ownership. For file permissions, each file has an allowance (or disallowance) on read, write, and execute permissions. How these permissions work differs for files and directories. Permissions are applied by using ownership: a file is always owned by a user and a group. Besides the user and group, there are also file permissions present for everyone else, called the others ownership. If the user is either the owner or a member of the file's group, those permissions are available to the user. Otherwise, there need to be permissions for others to allow interaction ...