Junior Level Linux Certification

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

Manage file permissions and ownership

Users, groups, superuser

3

Manage file permissions and ownership

groups

4

Manage file permissions and ownership

Security levels

5

Manage file permissions and ownership

Permissions – /etc/passwd

6

Manage file permissions and ownership

Directory and File permissions

7

Manage file permissions and ownership

chmod

8

Manage file permissions and ownership

chmod

9

Manage file permissions and ownership

chmod symbolic codes

10

Manage file permissions and ownership

chmod octal commands

11

Manage file permissions and ownership

umask

12

Manage file permissions and ownership

chown

13

Manage file permissions and ownership

chgrp

14

Fim de sessão

15