chenxub / -shell---- Goto Github PK
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自己做的习题答案
第一章
1.简单命令:$ls,复杂命令:$ls -1、$echo "hello world",复合命令:$date;uptime;
2.加上分号shell会认为是一个复合命令在执行,执行完第一个后shell会试图执行下一条命令,而这种情况下没有剩余的命令来执行,就会返回提示符,所以两个命令的输出会一样。
3.两种主要的shell类型是Bourne(有sh,ksh,zsh,bash)和C(有csh,tcsh)
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