The frequent used operation in Linux system

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The frequently used operation in Linux system

2017-04-08 12:48:09

1. mount the hard disk:

　　#: fdisk -l %% use this operation to check how many and what disk it found in the computer.

　　#: mkdir yiDongYingPan %% mkdir a new file as the location to mount i.e. take all the files from your disk into this file .

　　#: mount /dev/sdc1 /home/wx/data/yiDongYingPan/

　　then, you can open file: yiDongYingPan to operate your file now.

2. clear the RAM:

　　#: free -m %% to check the memory usage of current PC

　　#: sync

　　#: echo 3 > /proc/sys/vm/drop_caches

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