View the remaining disk space and folder size in Linux

DF command is Linux The system views the file system by disk partition. You can add parameters to view the remaining disk space. Command Format:
DF-Hl
Display format:
File System capacity used available % mount point
Filesystem size used avail use % mounted on
/Dev/hda2 45g 19G 24g 44%/
/Dev/hda1 494 M 19 m 450 m 4%/boot
/Dev/hda6 4.9g 2.2g 2.5g 47%/home
/Dev/hda5 9.7g 2.9g 6.4g 31%/OPT
None 1009 M 0 1009 M 0%/dev/SHM
/Dev/hda3 9.7g 7.2g 2.1g 78%/usr/local
/Dev/hdb2 75g 75g 0 100%/
/Dev/hdb2 75g 75g 0 100%/

The preceding output is used as an example to indicate:
HD hard disk interface second hard disk (B), second partition (2), capacity is 75g, 75g used, available is 0, so the utilization is 100%, mounted to the root partition directory (/).

The following is an explanation of the relevant commands:

DF-Hl view the remaining disk space

DF-H: view the partition size of each root path

Du-SH [directory name] returns the directory size

Du-Sm [Folder] returns the total number of MB in this folder.

For more functions, run the following command:

DF -- Help

Du -- Help

View the size of the Linux File directory and the number of files contained in the folder

Total statistics size

Du-SH xmldb/

Du-Sm * | sort-N // count the current directory size and sort the directory size.

Du-SK * | sort-n

Du-SK * | grep guojf // view the size of a person

Du-M | cut-d "/"-F 2 // read the text before the second character

View the number of files in this folder /*

Du xmldb/

Du xmldb/* | WC-l

40752

Explanation:

WC [-LMW]

Parameter description:

-L: number of rows

-M: The number of characters.

-W: How many words