单项选择题 Auserisreceivinganerroraboutnothavingenoughvirtualmemory.Atechnicianwantsto manuallysettheamountofavailablevirtualmemoryforthecomputer.AtaMINIMUM，the technicianshouldsetthevirtualmemorytobewhichofthefollowing？（）

单项选择题 A user cannot access files on /deps/it directory， the administrator verifies permissions are set rw-------for the directory.  Which of the following actions need to be performed to only grant read access to the user on the IT directory？（）

单项选择题 Atechniciannoticesthestoragespaceavailableonadataserverisrapidlydecreasing.Afew usersseemtobestoringconsiderablymoredatathantheotherusers.Whichofthefollowing shouldthetechnicianimplementtogiveallusersthesameamountofavailablestoragespace？（）