Mount Cheatsheet
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The mount command is used to attach filesystems to the directory tree in Unix-like operating systems.
Basic Commands
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| Command/Option | Example | Description |
|---|
mount <device> <mount_point> | mount /dev/sda1 /mnt | Mount the device to the specified mount point |
mount -t <type> <device> <mount_point> | mount -t ext4 /dev/sda1 /mnt | Specify the filesystem type when mounting |
mount -o <options> <device> <mount_point> | mount -o ro /dev/sda1 /mnt | Mount with specific options (e.g., read-only) |
Common Options
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| Option | Example | Description |
|---|
-t <type> | -t ext4 | Specify the filesystem type (e.g., ext4, ntfs, vfat) |
-o <options> | -o rw,noexec | Specify mount options (e.g., rw for read-write, noexec to disallow execution) |
-a | mount -a | Mount all filesystems mentioned in /etc/fstab |
-r | mount -r /dev/sda1 /mnt | Mount the filesystem as read-only |
-v | mount -v | Verbose mode; show detailed information |
Unmounting Filesystems
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| Command/Option | Example | Description |
|---|
umount <mount_point> | umount /mnt | Unmount the filesystem from the specified mount point |
umount -a | umount -a | Unmount all filesystems mentioned in /etc/mtab |
Checking Mounts
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| Command/Option | Example | Description |
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mount | mount | Display all currently mounted filesystems |
| `mount | grep ` | `mount |
Troubleshooting
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| Command/Option | Example | Description |
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| `dmesg | tail` | `dmesg |
This cheatsheet provides fundamental mount commands for attaching and managing filesystems on Unix-like operating systems.