./dstack.tests: pushd: /tmp/xxx-notthere: No such file or directory ./dstack.tests: pushd: no other directory ./dstack.tests: popd: directory stack empty ./dstack.tests: pushd: -m: bad argument pushd: usage: pushd [dir | +N | -N] [-n] ./dstack.tests: popd: -m: bad argument popd: usage: popd [+N | -N] [-n] ./dstack.tests: dirs: -m: bad argument dirs: usage: dirs [-clpv] [+N] [-N] ./dstack.tests: dirs: unknown option: 7 dirs: usage: dirs [-clpv] [+N] [-N] / ok /usr / /usr / /usr / /usr / /usr / / /usr / /etc /usr / /etc /usr / /etc /usr / 0 /etc 1 /usr 2 / /usr /etc / /etc /usr / /tmp /etc /usr / /tmp /tmp /usr /usr ./dstack.tests: dirs: 9: bad directory stack index ./dstack.tests: dirs: 9: bad directory stack index ./dstack.tests: pushd: +9: bad directory stack index ./dstack.tests: pushd: -9: bad directory stack index ./dstack.tests: popd: +9: bad directory stack index ./dstack.tests: popd: -9: bad directory stack index /tmp /etc / /tmp /etc / /tmp /etc / /tmp /usr /etc / /tmp /tmp /usr /etc / /tmp /usr /etc / /tmp /tmp /bin /etc / /tmp /tmp /bin / /tmp /bin / /tmp /bin / /tmp /bin /bin