單項(xiàng)選擇題

A  System  p  customer  has  installed  components  from  the  Linux  ToolBox.  By  default,  which  of  the following directories will contain the open source commands such as gzip, gunzip and zcat()

A./opt/freeware/bin
B./usr/bin/freeware
C./var/freeware/bin
D./usr/sbin/freeware

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