File System Security

As discussed in Chapter 8, “Understanding the Solaris File System,” you can specify access permissions for each file or directory in a file system. In addition, every file or directory is owned by a particular user. Specifying the access permissions enables the user or the group to control the access to its files and directories.

Controlling access through permissions is critical to the security of files and directories. Although setting file permissions is a basic administration task, administrators often do not pay the required amount of attention to it. Consider a situation where an administrator needs to change the permission of some files and subdirectories within a directory. Some administrators may adopt a shortcut ...

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