On the du command of Linux

**du (disk usage), as the name implies, view the size of the directory/file footprint * *





1. View the size of all directories and subdirectories in the current directory

Du-h

Du-ah

#-h: Using the human form of K, M and G to display
#-a: Displaying directories and files

du-h tmp

Du-ah tmp

size of #只查看当前目录下的tmp目录 (including subdirectories)


2. View the size of the current directory and its specified depth directory

du-h–-max-depth=0

#-–max-depth=n: Drill down to the nth-level directory, set here to 0, which means not to go deep into subdirectories





Some common parameters of the 3.DU command:

-A or-all displays the size of individual files in the directory

- B or-bytes when displaying a directory or file size, in bytes
- C or--total displays the sum of all directories or files in addition to the size of individual directories or files

-D or--dereference-args displays the source file size for the specified symbolic connection

- h or--human-readable to improve readability of the information in k,m,g units

-K or--kilobytes in 1024x768 bytes units

-L or--count-links repeatedly compute hardware-attached files

The source file size of the symbol connection specified in the-L or--dereference display option

-M or--megabytes in 1MB units

- s or--summarize show totals only

- s or--separate-dirs displays the size of individual directories without the size of their subdirectories

-x< File > or--exclude-from=< file >

--exclude=< directory or File > skip the specified directory or file

--max-depth=< the directory layer > exceeds the specified number of layers, it is ignored

On the du command of Linux