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 cd /e [tab], ²¹È«Îªcd /etc/
 cd /b [tab-tab], ÁгöÑ¡Ïîbin/ bo ......

linuxµÄѹËõ/½âѹËõÃüÁî(tar,gzipµÈ)¼°Ê¾Àý

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[root@linux ~]# tar [-cxtzjvfpPN] ÎļþÓëĿ¼ ....
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Linux shell I/OÖØ¶¨ÏòÏê½â

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sudo /etc/init.d/bluetooth restart
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teapot@teapot:~$ hcitool dev
Devices:
hci0 00:16:CF:DB:B4:BF
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