chfs command

The chfs command in Unx has many attributes. One of them is changing
the file size. Either increasing or decreasing the size.

Ex. chfs -asize=+200 /logs

This cmd increases the file size of logs directory by 200 512-byte blocks.
Yet to fully understand this. There are also other attributes.

Further Ref : http://nscp.upenn.edu/aix4.3html/cmds/aixcmds1/chfs.htm