Chapter Files, Filesystems and Disks

Author: name contact BSD flavour

Reviewer: name contact BSD flavour

Reviewer: Yannick Cadin yannick@diablotin.fr FreeBSD/OpenBSD

The usefulness of any computing system is related to the accessibility of the data stored on it. An admin is expected to thoroughly understand how to make data available both locally and remotely and how to use permissions to ensure authorized users can access that data. Be experienced in backing up data and in resolving common disk issues.

• Mount or unmount local filesystems
• Configure data to be available through NFS
• Determine which filesystems are currently mounted and which will be mounted at system boot
• Determine disk capacity and which files are consuming the most disk space
• Create and view symbolic or hard links
• View and modify ACLs
• View file permissions and modify them using either symbolic or octal mode
• Modify a file's owner or group
• Backup and restore a specified set of files and directories to local disk or tape
• Backup and restore a file system
• Determine the directory structure of a system
• Manually run the file system checker and repair tool
• View and modify file flags
• Monitor the virtual memory system