Sybase IQ supports the SQL Anywhere procedures listed in "Alphabetical list of system procedures" in SQL Anywhere Server – SQL Reference.
In the section “System extended stored procedures” in SQL Anywhere Server – SQL Reference, the documentation states that users must be granted EXECUTE permission or have DBA authority. Several of the subsequent procedures, however, show permissions listed as none.
The procedure below requires DBA authority.
xp_cmdshell – system extended procedure that allows a database server to execute external shell commands