MOUNT(8) System Administration MOUNT(8) NAME mount - mount a filesystem SYNOPSIS mount [-lhV] mount -a [-fFnrsvw] [-t vfstype] [-O optlist] mount [-fnrsvw] [-o option[,option]...] device|dir mount [-fnrsvw] [-t vfstype] [-o options] device dir DESCRIPTION All files accessible in a Unix system are arranged in one big tree, the file hierarchy, rooted at /. These files can be spread out over several devices. The mount command serves to attach the filesystem found on some device to the big file tree. Conversely, the umount(8) command will detach it again. The standard form of the mount command, is mount -t type device dir This tells the kernel to attach the filesystem found on device (which is of type type) at the directory dir. The previous contents (if any) and owner and mode of dir become invisible, and as long as this filesystem remains mounted, the pathname dir refers to the root of the filesystem on device. If only directory or device is given, for example: mount /dir then mount looks for a mountpoint and if not found then for a device in the /etc/fstab file. The listing and help. Three forms of invocation do not actually mount anything: mount -h prints a help message mount -V prints a version string mount [-l] [-t type] lists all mounted filesystems (of type type). The option -l adds the labels in this listing. See below. The device indication. Most devices are indicated by a file name (of a block special device), like /dev/sda1, but there are other possibil‐ ities. For example, in the case of an NFS mount, device may look like knuth.cwi.nl:/dir. It is possible to indicate a block special device using its volume LABEL or UUID (see the -L and -U options below). The recommended setup is to use LABEL=