Linux Command--df Command &du command

The DF command is used to view the disk usage of the Linux file system, and to see how much space is currently occupied by the disk and how much space is left.

Several of the commonly used commands are

Command 1 DF The default display size is in kilobytes, you can use the parameter-K 1024-byte units,-M 1024*1024 bytes,-I display innode information,-H displays the data in the appropriate units,-H is the same as the-H effect, but-H is in 1000 as a unit,- H is a unit of 1024

File system                capacity    used   Available   used%  mount point/dev/xvda1              97g   20g   73g  22% /proc                      0      0     0   -  /procsysfs                     0      0     0   -  /sysdevpts                    0      0     0   -  /dev/ptstmpfs                 1003M  160K 1003M    1% /dev/shmnone                      0     0     0    -  /proc/xennone                      0     0      0   -  /proc/sys/fs/binfmt_miscsunrpc                    0     0      0   -  /var/lib/nfs/rpc_pipefs

Command 2-T Displays the type of disk

File system type 1k-block used available% mount point/dev/xvda1 ext3 101571588 20263980 76064848 22%/tmpfs TMPFS 1026788 1026628 1%/dev/shm

Du is a command that displays the disk usage space for each file and directory

Command 1 Displays the space size of the specified file

Du Heap1.bin 3157280 Heap1.bin

Command 2 Displays the space size of the specified folder

Du TEST/4 test/test18 test/

Command 3 shows only the size of the folder sum

Du-s TEST/8 test/

Command 4 displays each file and calculates the sum

Du-c TEST/4 test/test18 TEST/8 Total

Command 5 where parameter-B is displayed in bytes,-K is displayed in kilobytes,-M is displayed in megabytes,-H is displayed in the most appropriate units, and-H is the most appropriate unit to display in 1000. -A Show all files and folders

Du-ah

Command 6 Displays the space size of all subdirectories in the current directory

Du-h--max-depth=1

Reference Documentation:

Http://www.cnblogs.com/peida/archive/2012/12/07/2806483.html

Http://www.cnblogs.com/peida/archive/2012/12/10/2810755.html

Linux Command--df Command &du command