1. Junior Level Linux Certification

2. Exam Objectives
Key Knowledge Areas
Manage access permissions on regular and special files as well as directories.
Use access modes such as suid, sgid and the sticky bit to maintain security.
Know how to change the file creation mask.
Use the group field to grant file access to group members.
Objective 4: Devices, Linux Filesystems, Filesystem Hierarchy Standard
Manage file permissions and ownership Weight: 3
Terms and Utilities
chmod
umask
chown
chgrp
2

3. Manage file permissions and ownership
Users, groups, superuser
3

4. Manage file permissions and ownership
groups
4

5. Manage file permissions and ownership
Security levels
5

6. Manage file permissions and ownership
Permissions – /etc/passwd
6

7. Manage file permissions and ownership
Directory and File permissions
7

8. Manage file permissions and ownership
chmod
8

9. Manage file permissions and ownership
chmod
9

10. Manage file permissions and ownership
chmod symbolic codes
10

11. Manage file permissions and ownership
chmod octal commands
11

12. Manage file permissions and ownership
umask
12

13. Manage file permissions and ownership
chown
13

14. Manage file permissions and ownership
chgrp
14

15. Fim de sessão
15