In order to use less resources, features will have to be removed. The pdksh version of the Korn shell was available to the POSIX shell standardization committe

In order to use less resources, features will have to be removed. The pdksh version of the Korn shell was available to the POSIX shell standardization committee. It was not chosen because it was too large, with too many features. Another round of less-capable tools does not seem productive.