Description of problem:
pushd, popd, and dirs do not exist on Fedora.
Version-Release number of selected component (if applicable):
rpm -ql ksh
ksh: pushd: not found [No such file or directory]
pushd, popd, and dirs should be available for ksh (and other shells that support them).
They must be built separately (though they come with the upstream Korn shell source), as they are not built-in commands like with Bash.
See bug 1067149.
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Although we aim to fix as many bugs as possible during every release's
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We've considered this and decided not to include it as default for all users. Those functions (as available in ksh) are more like workarounds. They manipulate with aliases, replace cd function and work in user's namespace.