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1. ×÷ΪrootµÇ¼
2. ¸øÄãÒªÌí¼ÓµÄÓû§ÉèÖÃÓû§Ä¿Â¼£¬ mkdir /home/yang
3. useradd yang -g users -G 100 -d /home/yang
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-->ÃÜÂëÉèÖóɹ¦£¬¿ÉÒÔ¿´ /etc/shadow, ¸ÃÓû§µÄÌõÄ¿ºóµÄÃÜÂë×Ö¶ÎÊÇmd5¼ÓÃܵÄ×Ö·û´®
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6. ¿ÉÒÔÓÃyangµÇ¼ÁË
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8. »ØÍ·Ïëɾ³ý¸ÃÓû§£º userdel yang
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