mount
From NetBSD Wiki
mount - mount a filesystem.
The mount(8) command calls the mount(2) system call to include a file system in to a specific place (mount point) in the file system tree.
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Listing mounts
If mount is invoked without any arguments, it will list the currently mounted file systems on stdout.
% mount /dev/wd0a on / type ffs (local) /dev/wd0f on /usr type lfs (NFS exported, local) tmpfs on /tmp type tmpfs (local) ptyfs on /dev/pts type ptyfs (local) kernfs on /kern type kernfs (local)
Mounting
If it is invoked with two arguments, the first is a special file, and the second is the mount point.
mount /dev/fd0a /mnt
If it is invoked with only one argument, mount will look up the other in fstab(5).
Mounting special filesystems
To mount a filesystem other than ffs or ffsv2, you have to specify the target system with the option flag -t
Examples:
Mounting a CD-ROM
# mount -t cd9660 /dev/cd0a /mnt/cdrom
Mounting a Windows Filesystem (NTFS)
# mount -t ntfs /dev/wd0e /mnt/windows
Mounting a Linux Filesystem (ext2fs)
# mount -t ext2fs /dev/wd0g /mnt/linux
Mounting an LFS (Log-Structured-Filesystem) Partition
# mount -t lfs /dev/wd0f /usr
Mounting an MFS
# mount -t mfs -o nosuid,-N,-s=32m swap /tmp
Mounting a TMPFS
# mount -t tmpfs tmpfs /tmp
Mounting a PTYFS
# mount -t ptyfs ptyfs /dev/pts
Mounting an exported NFS share
# mount -t nfs hostname:/shared/directory
Mounting a USB Flash disk
# mount -t msdos /dev/sd0e /mnt
These are only common examples. Please be aware that there are much more Filesystems you can mount with the mount(8) command.
Re-Mounting
There may be times when you need to boot into a single user mode or have had other filesystem troubles. Those of you from other OS backgrounds may think that you need to: "mount -o remount,rw /" to remount your root partition as read-write. In NetBSD, you simply call -u:
# mount -u /
