填空题
Which program finds only files that are in your PATH？（）
/USR/BINyWHICH
多项选择题 WhatdoestheFilesystemHierarchyStandardenable？（）
单项选择题 Youarelookingforanexecutablefilefoo.Selectthecommandthatwouldsearchforfoowithindirectoriessetintheshellvariable，PATH.（）
单项选择题 Whichofthesecommandsallowsyoutousesharedlibrariesthatarein/usr/local/lib？（）
