A./profile B./etc/envpath C./etc/profile D./etc/environment
A.Missing blv B.Network problem C.Wrong boot table D.Corrupted file system
A.’varyoffvg’ and ’exportvg’ B.’varyofflv’ and ’importvg’ C.’varyofflv’ and ’migratepv’ D.’varyoffvg’ and ’migratevg’