Disk situation inquiry:
Query system overall disk usage:
df -h
Specified directory of the disk occupancy
du -h / directory
Specified directory disk usage, the default is the current directory
-s size specified directory occupancy Summary
-h with units of measurement
-a file containing
--max-depth = 1 Depth subdirectory
-c increase aggregate values listed in detail at the same time
Applications:
Query / opt directory disk consumption, a depth of 1
Disk case - work and practical instruction
Number 1) statistics / home folder files
Number 2) statistics / home directory folder
3) statistics / home folder under the file number, including subfolders inside
Note must be capitalized R
4) count the number of directory folders, including subfolders inside
5) displays the directory structure in a tree
If you do not find the command prompt, then you can use yum install tree to install