Human-readable ls output under AIX?

You can use du. It does not have -h option, but it has -k -m and -g:

$ du -m /tmp/*

4.84    /tmp/diagSEgenSnap
33.12   /tmp/fwupdate

$ du -k /tmp/*

4952    /tmp/diagSEgenSnap
33920   /tmp/fwupdate

Might I suggest ls -ls?

That will provide the files sizes in KB instead of the default blocks.

Ex:

36 -rw-r--r--    1 oracle   dba           33875 Feb  2 2011  step2.log
32 -rw-r--r--    1 oracle   dba           30308 Feb  2 2011  step2.sql

Try this

ls -l | awk '{$5=sprintf("%.9f GB", $5/1024^3)} 1'

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