tail head cat sleep
QR code linking to this page

Manual Pages  — EXT2FS


ext2fs – ext2/ext3/ext4 file system



To link into the kernel: options EXT2FS

To load as a kernel loadable module:

    kldload ext2fs


The ext2fs driver will permit the FreeBSD kernel to access ext2, ext3, and ext4 file systems. The ext4 support is read-only.


To mount a ext2fs volume located on /dev/ada1s1:

    mount -t ext2fs /dev/ada1s1 /mnt


nmount(2), unmount(2), fstab(5), mount(8)


The ext2fs driver first appeared in FreeBSD 2.2 .


The ext2fs kernel implementation was written by Godmar Back or modified by him using the CSRG sources.

John Dyson and others in the FreeBSD Project made modifications.

This manual page was written by Craig Rodrigues <Mt rodrigc@FreeBSD.org>.

EXT2FS (5) January 23, 2016

tail head cat sleep
QR code linking to this page

Please direct any comments about this manual page service to Ben Bullock.

Ken Thompson has an automobile which he helped design. Unlike most automobiles, it has neither speedometer, nor gas gauge, nor any of the other numerous idiot lights which plague the modern driver. Rather, if the driver makes a mistake, a giant “?” lights up in the center of the dashboard. “The experienced driver,” says Thompson, “will usually know what's wrong.”