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10, ÃüÁîÀúÊ·±£´æÔÚ$HOME/.bash_history ÎļþÖÐ
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19, ÈýÖÖ´´½¨ÎļþµÄ·½·¨£ºtouch , >file ,echo >file
20, ls -k ÓÃÓÚÖ¸¶¨´óСÒÔKB Ϊµ¥Î»£¬£R ÔòÖ¸¶¨µÝ¹éÏÔʾ
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31, vi ÖÐshift+zz µÈͬÓÚ Esc+:+wq!+Enter fedora £ºalias vi=vim
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32, ϵͳÿ´ò¿ªÒ»¸ö½ø³Ì¶¼»áÖ´ÐÐ~/.bashrc Îļþ, ¿ÉÒÔ±»Óû§ÓÃÀ´×÷һЩ¹¦Äܵijõʼ»¯
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