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Commands Reference, Volume 3
lsfs Command
Purpose
Displays the characteristics of file systems.
Syntax
lsfs [ -q ] [ -c | -l ] [ -a | -v VfsType | -u MountGroup| [FileSystem...] ]
Description
The lsfs command displays characteristics
of file systems, such as mount points, automatic mounts, permissions, and
file system size. The FileSystem parameter reports
on a specific file system. The following subsets can be queried for a listing
of characteristics:
- All file systems
- All file systems of a certain mount group
- All file systems of a certain virtual file system
type
- One or more individual file systems
The lsfs command displays additional
Journaled File System (JFS) or Enhanced Journaled File System (JFS2) characteristics
if the -q flag is specified.
You can use a Web-based System Manager File Systems application
(wsm fs fast path) to run this command. You could also
use the System Management Interface Tool (SMIT) smit lsfs fast path to run this command.
Flags
-a |
Lists all file systems (default). |
-c |
Specifies that the output should be in colon format. |
-l |
Specifies that the output should be in list format. |
-q |
Queries the logical volume manager (LVM) for the logical volume size
(in 512-byte blocks). Additional information is provided for JFS and JFS2
file systems. Queries the JFS superblock for the file system size, the fragment
size, the compression algorithm (if any), and the number of bytes per i-node
(nbpi). Queries the JFS2 superblock for the file system size, the file system
block size, and sparse file support.
This information
is not reported for other virtual file system types. It is displayed in addition
to other file system characteristics reported by the lsfs command. |
-u MountGroup |
Reports on all file systems of a specified mount group. |
-v VfsType |
Reports on all file systems of a specified type. |
Examples
- To show all file systems in the /etc/filesystems file, enter:
lsfs
- To show all file systems of vfs type jfs, enter:
lsfs -v jfs
- To show the file system size, the fragment
size, the compression algorithm (if any), and the number of bytes per i-node
as recorded in the superblock of the root file system, enter:
lsfs -q /
Files
/etc/filesystems |
Lists the known file systems and defines their characteristics. |
Related Information
The chfs command, crfs command, rmfs command.
File Systems in AIX 5L Version 5.2 System Management Concepts: Operating System and Devices explains
file system types, management, structure, and maintenance.
Mounting Overview in AIX 5L Version 5.2 System Management Concepts: Operating System and Devices explains
mounting files and directories, mount points, and automatic mounts.
For information on installing the Web-based System Manager, see Chapter 2: Installation and System Requirements in AIX 5L Version 5.2 Web-based System Manager Administration Guide.
System Management Interface
Tool (SMIT): Overview in AIX 5L Version 5.2 System Management Concepts: Operating System and Devices explains SMIT structure, main
menus, and tasks.
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