format filesize for strings> format filesize {flags} (format value) ...rest
format value: the format into which convert the file sizes...rest: For a data structure input, format filesizes at the given cell paths| input | output | 
|---|---|
| filesize | string | 
| record | record | 
| table | table | 
Convert the size column to KB
>ls|format filesizeKBsize
Convert the apparent column to B
>du|format filesizeBapparent
Convert the size data to MB
>4Gb|format filesizeMB
4000.0MB
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