Linux df and Du commands

Df

Function

Displays the maximum available space and usage for all current file systems

Parameters

-A: Displays all file systems and disk usage for each partition
-I: Show i-nodes usage
-K: size is represented by K (default value)
-T: Displays all partition disk usage for one file system
-X: Displays all partition disk usage that are not a single file system
-T: Displays the name of the file system to which each partition belongs

Du

Function

Query disk usage space for a file or directory

Parameters

-A: Displays the disk space occupied by all directories and each file under the second directory
-B: Size is represented by bytes (default is k bytes)
-C: Last plus Total (default value)
-S: Show only the sum of each file size (summarize)
-X: Only files that belong to the same file system are counted
-L: Calculate all file sizes

Linux df and Du commands