O'Reilly logo

LPIC-1/CompTIA Linux+™ Certification All-in-One Exam Guide by Robb Tracy

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

Managing File and Directory Permissions

Managing ownership represents only a part of what needs to be done to control access to files and directories in the Linux file system. Ownership only specifies who owns what. It doesn’t say what you can or can’t do with files and directories. To do this, you need to set up and manage permissions. You need to understand the following:

• How permissions work

• Managing permissions from the command line

• Working with default permissions

• Working with special permissions

Let’s start by explaining how permissions work.

How Permissions Work

Unlike ownership, permissions are used to specify exactly what a particular user may do with files and directories in the file system. These permissions may allow a user ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required