1981-12-17 /BB-H311C-RM/01/swskit-utilities/chans.ctl 1981-12-17 /SRI_NIC_PERM_SRC_3_19910112/01/stanford/5-swskit/chans.ctl 1984-07-23 /BB-H311D-RM/01/swskit-tools/chans.ctl 1984-07-23 /QT020_T20_4.1_6.1_SWSKIT_851021/01/swskit-tools/chans.ctl 1984-12-27 /BB-M836C-BM/01/tools/chans/chans.ctl 1984-12-27 /bb-m836c-bm_tops20_v6_1_tools/01/tools/chans/chans.ctl 1987-11-09 /bb-m836d-bm/01/tools/chans/chans.ctl 1987-11-09 /tops20_version7_0_tools_tape_clock_tape/01/tools/chans/chans.ctl