Unix ops lab

Permissions and users

Modes, owners, groups, and sensitive file review.

0/25 lessons 0/7 missions

Read and change fake modes and ownership without risking real files.

Practice fake chown and chgrp changes while checking account context.

Review sensitive fake SSH and web files with long listings and metadata.

Command coverage

Commands you will practice here.

ls [-la] [path]

List fake files and folders.

grep [-i] <text> <file>

Find literal text inside a file.

chmod <mode> <path>

Change a fake numeric permission mode.

chown <user:group> <path>

Change fake owner/group labels.

chgrp <group> <path>

Change a fake file group label.

stat <path>

Show fake file details.

whoami|id|groups

Inspect the fake learner account.