What are the Linux disk size units?
Linux disk size units include K, M, G, etc.; to view the disk space size in Linux, you can use the df and du commands; df is to view the file system in units of disk partitions, and you can obtain the occupied hard disk space, as well as remaining space and other information; du means to display the usage of disk space and is used to view the size of the current directory.
#The operating environment of this tutorial: linux5.9.8 system, Dell G3 computer.
What are the Linux disk size units?
There are K, M, G, etc.
Linux command to view disk space (df, du)
##Linux command to view disk space
Linux 查看磁盘空间可以使用 df 和 du 命令。
1. df
df View the file system in units of disk partitions. You can get information such as how much space is occupied by the hard disk, how much space is currently left, etc.:df
df -h
| Meaning | |
|---|---|
| File system | |
| Partition size | |
| The unit is 1KB (use df View) | |
| Used capacity | |
| Available capacity | |
| Use% | |
| Mount point |
2. du
du (disk usage), which means to display the usage of disk space and is used to view the size of the current directory#查看当前目录大小du -sh#返回该目录/文件的大小du -sh [目录/文件]
#查看当前文件夹下的所有文件大小（包含子文件夹）du -h#查看指定文件夹下的所有文件大小（包含子文件夹）du -h [目录/文件]#返回当前文件夹的总M数du -sm#返回指定文件夹/文件总M数du -sm [文件夹/文件]
##duCommon parameter list
| Meaning | |
|---|---|
| Only the occupied data is given for each Names parameter Total number of blocks | |
| Recursively displays the number of data blocks occupied by each file in the specified directory and each file in the subdirectory | |
| List disk space usage in bytes (the system defaults to k bytes) | |
| List disk space usage in units of 1024 bytes | |
| Add a total at the end (system default setting) | |
| Calculate the size of all files. For hard link files, calculate multiple times | |
| Skip different sizes Directories on the file system are not counted | |
| Use K, M, G as units to improve the readability of information |
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