一、文件位置

通過df -h file獲取塊設(shè)備文件存放位置sdb4，sudo fdisk -l獲取sdb4在/dev/sdb磁盤

touch test
df -h test 
#-------------------------------------------------------------
Filesystem      Size  Used Avail Use% Mounted on
/dev/sdb4        59G   27M   59G   1% /media/ubuntu/7F74-11C0
#-------------------------------------------------------------

sudo fdisk -l
#-------------------------------------------------------------
Disk /dev/sdb: 58.6 GiB, 62914560000 bytes, 122880000 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: dos
Disk identifier: 0xcad4ebea

Device     Boot Start       End   Sectors  Size Id Type
/dev/sdb4  *      256 122879999 122879744 58.6G  c W95 FAT32 (LBA)
#-------------------------------------------------------------

二、磁盤信息（方法一）

lshw獲得sdb磁盤為usb類型，capabilities屬性指示為模擬設(shè)備（示例為虛擬機，真實設(shè)備為Removable）文章來源地址http://www.zghlxwxcb.cn/news/detail-633507.html

sudo lshw -class disk -class storage
#-----------------------------------------------------------------------------------
  *-usb
       description: Mass storage device
       vendor: HIKSEMI
       physical id: 1
       bus info: usb@4:1
       logical name: scsi33
       version: 1.10
       serial: ZL230324000106
       capabilities: usb-3.20 scsi emulated scsi-host
       configuration: driver=usb-storage maxpower=304mA speed=5000Mbit/s
     *-disk
          description: SCSI Disk
          physical id: 0.0.0
          bus info: scsi@33:0.0.0
          logical name: /dev/sdb
          size: 58GiB (62GB)
          capabilities: partitioned partitioned:dos
          configuration: logicalsectorsize=512 sectorsize=512 signature=cad4ebea
#-----------------------------------------------------------------------------------

三、設(shè)備屬性（方法二）

cd /sys/class/block/sdb # 或cd /sys/block/sdb
cat removable
# 1 可移動設(shè)備

四、磁盤鏈接（方法三，僅限USB）

ls -l /dev/disk/by-id/usb*

#------------------------------------------------------
lrwxrwxrwx 1 root root  9 Aug  7 20:39 /dev/disk/by-id/usb-HIKSEMI__ZL230324000106-0:0 -> ../../sdb
lrwxrwxrwx 1 root root 10 Aug  7 20:39 /dev/disk/by-id/usb-HIKSEMI__ZL230324000106-0:0-part4 -> ../../sdb4
#------------------------------------------------------

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