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Open FunctionFollowing is the syntax to open file.txt in read-only mode. Here less than open(DATA, ");Here DATA is the file handle which will be used to read the file. Here is the example wh

mac 安装 omyzsh 后， terminal瞬间逼格飙升！但是！terminal init的时候并不会执行~/.bash_profile、~/.bashrc等脚本了，这是因为其默认启动执行脚本变为了～/.zshrc。解决办法就是修改～/.zshrc文件，在其中添加：source ～/.bash_profile、～/.bashrc等脚本文件就ok了

Question:I want to cd into /var/named but it gives me a permission denied error, and when I want to use sudo to do this I am not permitted. What is the technical reason for this, and is it possi