Linux: Files and Permissions

Learn how to manage files and directories, create links, and set permissions in CentOS 7.

Introduction

• Welcome
• What you should know

1. Linux Files

• What is a file?
• Get file attributes
• Get extended attributes
• Pattern matching using globs
• Pattern matching using extended globs

2. Manipulate Files

• Create files and dirs
• Copy files and dirs
• Move and rename files and dirs
• Remove files and dirs
• Create links to files and dirs
• Add overwrite warnings to cp, mv, and rm

3. Standard Unix Permissions

• Standard Linux permissions overview
• File and directory modes
• File ownership
• Set permissions using numeric method
• Set permissions using symbolic method
• Default permissions using umask
• Special file bits: SUID and SGID
• Special directory bits: SGID and Sticky

4. ACLs

• ACL overview
• Read ACLs
• Set ACLs
• Manage default ACLs
• Delete ACLs
• ACL tricks

Conclusion

• Next steps