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useradd username创建新用户 passwd username指定密码 cd /home 有用户名的新目录生成 cd /etc/passwd cd /bin/bash csh ksh sh bsh bash cd /etc more group groupadd testg userad 阅读全文
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more xxx.txt cat xxx.txt tac xxx.txt head xxx.txt head -5 xxx.txt tail -50 xxx.txt find find /home/uibs *xxx whereis ls whereis find echo &PATH (doc: 阅读全文
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ls -R cp cp -r (recursive) mv mv -r vi command input 阅读全文
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vi command input vi xxx.txt a(append) esc :w :q :q! :wq more xxx.txt dd dw o O 阅读全文
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xxx -help man xxx ls ls -l ;ls -lrt; ll cd pwd mkdir rmdir rm -r rm -f rm -rf touch 阅读全文