1. A computer program product comprising a computer storage medium tangibly: embodying a program of machine-readable instructions executable by a digital processing apparatus to perform operations to perform semi-automatic mainframe dataset maintenance, the machine-readable instructions comprising: an operation to receive a dataset qualifier describing a plurality of mainframe datasets, the dataset qualifier comprising a dataset label prefix configured to facilitate locating a set of dataset identifiers; an operation to retrieve the set of dataset identifiers satisfying the dataset qualifier from a mainframe operating system; an operation to receive a desired maintenance action to apply to the datasets, the desired maintenance action selected from the group comprising delete, delete archive, archive, recall, rename, and copy; and an operation to construct a set of mainframe operating system commands configured to fulfill the desired maintenance action such that semi-automatic mainframe dataset maintenance is performed with minimal input from a user, the set of commands comprising at least one command for each dataset, the mainframe operating system commands comprising Time Sharing Option (TSO) commands.