Linux under DF and du view disk remaining space and folder size

DF-HL View disk remaining space

Du-sm folder

Returns the total m of this folder

More features please view:

DF--help

Du--help

Du-sh (the name of this directory) is the size of this directory.

Use the du command to view a directory, such as viewing the/home/kuuyee directory for disk space size you can use the following command:

# Du/home/kuuyee-sh

There are hundreds of build projects in my home directory, one for the poor look at the directory occupancy is too much trouble. Use the command:

#du/home--max-depth=1-h

That's it. The disk occupancy of all subdirectories is listed! The--max-depth parameter here represents the depth of the directory to be listed, set to 2 if you want to list the level two directory, and so on.

If you want to, the result output to the file can be like this: # du/home--max-depth=1-h > Disk_status.txt

Use df-h to check the partition size of the directory below each root.

Usage: du [options] ... [File] ...
Or: du [option]...–files0-from=f
Summarize the amount of disk used in each < file >, and take the total amount of the catalogue.

The DF command is a Linux system that looks at the file system on a disk partition, and can add parameters to view the disk's remaining space information, in command format:
Df-hl
The display format is:
File system capacity used available% mount point

filesystemsize Used avail use% mounted on
/dev/hda2 45G 19G 24G 44%/
/DEV/HDA1 494M 19M 450M 4%/boot
/dev/hda6 4.9G 2.2G 2.5G 47%/home
/dev/hda5 9.7G 2.9G 6.4G 31%/opt
None 1009M 0 1009M 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%/
Take the above output as an example, the meaning of the expression is:

The second hard drive (b) of the HD hard disk interface, the second partition (2), the capacity is 75G, 75G, usable is 0, so utilization is 100% and is mounted on the root partition directory (/).

Example

1 View File size

View all file sizes (including subfolders) under the current folder
Du-sh

# du-h
15M./package
16K./.fontconfig
4.0K./.cache
5.1M./.rpmdb
20M.

View all file sizes (including subfolders) under the specified folder
# du-h FTP
3.8G Ftp/sanya/doc
3.8G Ftp/sanya
4.0K Ftp/testftp/doc
1.4M ftp/testftp
875M ftp/platform/doc/002-Video
27M ftp/platform/doc/001-pdf
5.2M Ftp/platform/doc/bbflash
1.2G ftp/platform/doc/003-Recording
2.1G Ftp/platform/doc
2.1G Ftp/platform
4.0K Ftp/pmo/doc
20K FTP/PMO
36M ftp/uf/doc/innovate-201207
36M Ftp/uf/doc
36M Ftp/uf
446M Ftp/code/doc
446M Ftp/code
6.3G FTP

View the specified file size
# du-h/package/compat-libstdc++-33-3.2.3-69.el6.x86_64.rpm.
184K./package/compat-libstdc++-33-3.2.3-69.el6.x86_64.rpm

View the specified folder size
# DU-HS FTP
6.3G FTP

Total statistics Size

Du-sh xmldb/

DU-SM * | Sort-n//Statistics current directory size and size sort

Du-sk * | Sort-n

Du-sk * | grep GUOJF//Look at the size of a person

du-m | Cut-d "/"-F 2//Look at the text before the second/character

See how many files there are in this folder/*/*/* how many files

Du xmldb/
Du xmldb/*/*/* |wc-l
40752

Explain:
WC [-LMW]

Parameter description:
-L: How many lines
-M: How many characters
-W: how many words

The parameter meaning is as follows:

-S gives only the total number of blocks of data used for each names parameter.
-A recursively displays the number of blocks of data in each file in the specified directory and in the Descendants directory. If-S is not specified or-A is specified, only the number of disk blocks per directory in names and each subdirectory in it is displayed.
-B lists disk space usage in bytes (the system defaults to K bytes).
-k lists disk space usage in 1024-byte units.
-C finally add a total (system default).
-L calculates all file sizes.