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Mount - fstab

Mounting a file system

The process of making a device accessible to users through the directory tree mounting
The directory to which the device or partition is attached mount point
Directories that contain mount points specifically for external storage devices /mnt /media
Command to mount a volume or device mount device_name
mount Options: Mount all file systems listed in /etc/fstab mount -a
mount Options: Mount as read only mount -r mount -ro
mount Options: Mount volume as read/write mount -w mount -rw
mount Options: Specifies volume type mount -t
mount Options: Mounts an ISO file mount -o loop
Identifies volumes to mount points each time system boots – when system loads automatically mounts volumes identified in file /etc/fstab
The 6 fields in the /etc/fstab file that control how device is mounted Device, mount point, filesystem type, options, dump, fsck
Options Field in fstab: Reads all I/O files synchronously sync (async = disables)
Options Field in fstab: Updates file’s inode timestamp atime (noatme = disables)
Options Field in fstab: Allows volume to be mounted automatically auto
Options Field in fstab: Prevents volume from being mounted automatically (for removable media) noauto
Options Field in fstab: Allows programs and script files to run from the volume exec (noexec = disables)
Options Field in fstab: Allows block files to be read from the volume dev (no dev = disables)
Options Field in fstab: Mounts in read only ro
Options Field in fstab: Mounts volume in read/write rw
Options Field in fstab: Allows SUID bit to be set on files in volume suid
Options Field in fstab: Only root user can mount volume nouser
Options Field in fstab: Allows any user to mount the volume users
DEFAULTS in the OPTIONS filed of the fstab file: rw, suid, dev, exec, auto, nouser, and async
DUMP field in the fstab file: Used by the dump command when backing up the file system
When to run fsck (file system check) during boot up - as specified in the fsck field of the /et/fstab file 0 = never 1 = only if mount cleanly (always set for root partition) 2 =always
Tracks the currently-mounted volumes on system /etc/mtab
File contains entries for each mounted volume on system /proc/mounts
Command to view currently-mounted volumes on system – displays contents of /etc/mtab mount
View which file system are mounted to specific mount points df
Unmount a volume or device umount e.g. umount /dev/hdc1 umount /mnt/cdrom
Created by: johnadream