理解shell的eval命令

看如下兩條命令: [zhangsan@XEN /sys]$ a="ls";b="\$a";c="$b";"$c" Hey! No command '$a' found, did you mean 'ia'?html [zhangsan@XEN /sys]$ a="ls";b="\$a";c="$b";eval "$c" block bus class dev devices firmware fs
相關文章
相關標籤/搜索