The Linux permission system has proven itself for the last 4 decades. It allows administrators to set read, write and execute permissions for user owners, group owners and everyone else. It also supports basic inheritance through the group owner. The Linux permission system has it's faults though which we cover in this video.
- [Male Instructor] The standard Linux permissions system…came from UNIX and was created 40 years ago.…It is a tried and true system…and works for most situations.…The Linux permissions system supports the following items.…Users can belong to multiple groups.…Groups can not, however, contain other groups.…Files and directories belong to one user owner.…Files and directories belong to one group owner.…Permissions can be set for the user group or other.…Other being people who are not the user owner…and don't belong to the group owner.…
Users can read, write or execute files.…Users can list items in directories,…create new files in directories and traverse directories.…Linux supports privilege escalation to the user owner…or group owner of the file.…Linux supports group owner inheritance.…This means that files and directories…can inherit the parent directory's group owner.…Linux supports default file permissions…that can be different for each user.…Linux permissions aren't perfect though.…Here are their shortcomings.…
- Define file Access Control Lists.
- Describe what extended globs add to Linux pattern matching.
- State why file system recovery tools are so important for Linux users.
- Recall what execute permissions on a directory allows.
- Cite the maximum allowed default permissions on a file in Linux.
- List some of the advantages of ACLs over standard Unix permissions.
Skill Level Intermediate
Linux: Desktops and Remote Accesswith Grant McWilliams1h 44m Intermediate
1. Linux Files
2. Manipulate Files
3. Standard Unix Permissions
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