/usr/lib/s9fes/help/sys_rename is in scheme9 2010.11.13-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 | S9 EXT (sys:rename string1 string2) ==> unspecific
Change the name of directory entry STRING1 to STRING2.
(sys:rename "old-name" "new-name") ==> unspecific
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