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mkfs
Used to create a Linux file system on the device
Additional information
mkfsCommand is used to create a Linux file system on a device (usually a hard drive). mkfsIt does not perform the work of establishing the file system itself, but calls related programs to perform it.
grammar
mkfs [选项] [参数]
Options
-t <文件系统类型>:Specify the type of file system to be created.-v: Display version information and detailed usage.-V: Show brief usage instructions.-c: Before making the file system, check whether the partition has bad sectors.
parameter
- File system: Specify the device file name to create the file system.
- Number of blocks: Specifies the number of disk blocks for the file system.
Example
Create an msdos file system on /dev/hda5and check if there are bad sectors, while displaying detailed information:
mkfs -V -t msdos -c /dev/hda5
Format sda6the partition to ext3 file system:
mkfs -t ext3 /dev/sda6
Format sda7the partition to ext2 file system:
mkfs -t ext2 /dev/sda7
swapoff
Close the specified swap space
Additional information
swapoffThe command is used to close the specified swap space, including swap files and swap partitions. swapoffIt is actually swapona symbolic link that can be used to close the system's swap area.
grammar
swapoff [选项] [参数]
Options
-a: Close/etc/fstaball swap spaces in the configuration file.
parameter
- Swap space: Specify the swap space to be closed, which can be a swap file or a swap partition. If it is a swap partition, specify the device file corresponding to the swap partition.
Example
Close the swap partition:
swapoff /dev/sda2
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