$  find ./ | grep -i 'sky130_osu'
./OpenLane/pdks/open_pdks/sky130/openlane/sky130_osu_sc_t18
./OpenLane/pdks/open_pdks/sky130/openlane/sky130_osu_sc_t18/config.tcl
./OpenLane/pdks/open_pdks/sky130/openlane/sky130_osu_sc_t18/tracks.info
./OpenLane/pdks/sky130A/libs.tech/openlane/sky130_osu_sc_t18
./OpenLane/pdks/sky130A/libs.tech/openlane/sky130_osu_sc_t18/config.tcl
./OpenLane/pdks/sky130A/libs.tech/openlane/sky130_osu_sc_t18/tracks.info
./OpenLane/pdks/sky130A/libs.tech/qflow/sky130_osu_sc_12t_ls.sh
./OpenLane/pdks/sky130A/libs.tech/qflow/sky130_osu_sc_12t_ms.sh
./OpenLane/pdks/sky130A/libs.tech/qflow/sky130_osu_sc_12t_hs.sh
./OpenLane/pdks/sky130A/libs.tech/qflow/sky130_osu_sc_15t_ls.sh
./OpenLane/pdks/sky130A/libs.tech/qflow/sky130_osu_sc_15t_ms.sh
./OpenLane/pdks/sky130A/libs.tech/qflow/sky130_osu_sc_15t_hs.sh
./OpenLane/pdks/sky130A/libs.tech/qflow/sky130_osu_sc_18t_ls.sh
./OpenLane/pdks/sky130A/libs.tech/qflow/sky130_osu_sc_18t_ms.sh
./OpenLane/pdks/sky130A/libs.tech/qflow/sky130_osu_sc_18t_hs.sh
./OpenLane/pdks/sky130A/libs.tech/qflow/sky130_osu_sc_12t_ls.par
./OpenLane/pdks/sky130A/libs.tech/qflow/sky130_osu_sc_12t_ms.par
./OpenLane/pdks/sky130A/libs.tech/qflow/sky130_osu_sc_12t_hs.par
./OpenLane/pdks/sky130A/libs.tech/qflow/sky130_osu_sc_15t_ls.par
./OpenLane/pdks/sky130A/libs.tech/qflow/sky130_osu_sc_15t_ms.par
./OpenLane/pdks/sky130A/libs.tech/qflow/sky130_osu_sc_15t_hs.par
./OpenLane/pdks/sky130A/libs.tech/qflow/sky130_osu_sc_18t_ls.par
./OpenLane/pdks/sky130A/libs.tech/qflow/sky130_osu_sc_18t_ms.par
./OpenLane/pdks/sky130A/libs.tech/qflow/sky130_osu_sc_18t_hs.par