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Hello: I have a problem with grtmdg.k command. It delete all the files show as follows: cumulus:[54]% li GRID0* -rw-r--r-- 1 mcidas unidata 3642216 May 24 09:30 GRID0001 -rw-r--r-- 1 mcidas unidata 3642216 May 24 22:30 GRID0002 -rw-r--r-- 1 mcidas unidata 3642216 May 25 09:30 GRID0003 -rw-r--r-- 1 mcidas unidata 3642216 May 21 22:30 GRID0007 -rw-r--r-- 1 mcidas unidata 3642216 May 22 22:30 GRID0008 -rw-r--r-- 1 mcidas unidata 3642216 May 23 09:30 GRID0009 -rw-r--r-- 1 mcidas unidata 3642216 May 23 22:30 GRID0010 -rw-r--r-- 1 mcidas unidata 8898680 May 23 23:30 GRID0101 -rw-r--r-- 1 mcidas unidata 8898680 May 24 11:30 GRID0102 -rw-r--r-- 1 mcidas unidata 8898680 May 24 23:30 GRID0103 -rw-r--r-- 1 mcidas unidata 8898680 May 21 23:30 GRID0107 -rw-r--r-- 1 mcidas unidata 8898680 May 22 11:30 GRID0108 -rw-r--r-- 1 mcidas unidata 8898680 May 22 23:30 GRID0109 -rw-r--r-- 1 mcidas unidata 8898680 May 23 11:30 GRID0110 cumulus:[55]% igu.k LIST 1 200 GRIDFILE PROJ CREATED MAXGRD IDENT -------- ---- ------- ------ ---------------- 1 2360 2000145 300 12 Z NGM Grids VT: 0-48 HR 2 2360 2000146 300 0 Z NGM Grids VT: 0-48 HR 3 2360 2000146 300 12 Z NGM Grids VT: 0-48 HR 7 2360 2000143 300 0 Z NGM Grids VT: 0-48 HR 8 2360 2000144 300 0 Z NGM Grids VT: 0-48 HR 9 2360 2000144 300 12 Z NGM Grids VT: 0-48 HR 10 2360 2000145 300 0 Z NGM Grids VT: 0-48 HR 101 2360 2000145 300 0 Z MRF Initalization Grids 102 2360 2000145 300 12 Z MRF Initalization Grids 103 2360 2000146 300 0 Z MRF Initalization Grids 107 2360 2000143 300 0 Z MRF Initalization Grids 108 2360 2000143 300 12 Z MRF Initalization Grids 109 2360 2000144 300 0 Z MRF Initalization Grids 110 2360 2000144 300 12 Z MRF Initalization Grids ---END OF LISTING cumulus:[56]% qrtmdg.k GRID 0001 0200 3 qrtmdg.k: Done cumulus:[57]% igu.k LIST 1 200 GRIDFILE PROJ CREATED MAXGRD IDENT -------- ---- ------- ------ ---------------- ---END OF LISTING cumulus:[58]% Hsie