CompTIA認(rèn)證考試LX0-101單項(xiàng)選擇題每日一練(2019.04.23)

來源：考試資料網(wǎng)

1 You have read/write permission on an ordinary file foo. You have just run In foo bar. What would happen if you ran rm foo？（）

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2 What information is displayed by the command cat/proc/dma？（）

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3 Which of these commands allows you to use shared libraries that are in /usr/local/lib？（）

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4 You have just added a CD.ROM drive （/dev/hdd） to your system and have added it to yourfstab. Typically you can use which of the following commands to mount media in that drive to /mnt/cdrom？（）

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5 The command echo $! will produce what output？（）

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