12.1: Linux partition
Check the mounting status of all devices:
Command: lsblk or lsblk -f
How to add a hard drive:
1: Add a hard disk to the virtual machine
2: Partition
3: Format
4: Mount
Uninstall: umount [directory] or [file]
5: Settings can be automatically mounted
12.2: Disk status query
Space occupied query
Basic syntax: df -h
Query the disk usage of a specified directory
Basic syntax: du -h /directory
Query the disk usage of the specified directory. The default is the current directory.
-s: Summary of the space occupied by the specified directory
-h: with measurement unit
-a: Include files
--max-depth=1 subdirectory depth
-c adds summary values while listing details
12.3: Disk Situation - Using Work Orders
12.4: Partition naming
| named character | specific meaning |
|---|---|
| /dev | Directory where all device files are stored |
| hd && sd | They are the first two letters of the partition, representing the type of device where the partition is located, where hd represents IDE hard disk and sd represents SCSI hard disk. |
| a | It is the third letter of the partition name, indicating which device the partition is on; /dev/sda represents the first IDE hard disk. |
| 2 | This number represents the partition. The first four partitions (primary partition or extended partition) under Linux are represented by numbers 1 to 4, and the logical partitions start from 5, and so on; /dev/sdb6 represents the second logical partition of the second SCSI hard disk. Partition |
| ... | ...... |