StephenLu0422的博客

使用tail --help查看命令用于备忘 tail [  -f ] [  -c Number |  -n Number |  -m Number |  -b Number |  -k Number ] [ File ] Usage: tail [OPTION]... [FILE]...Print the last 10 lines of each FILE to standard output.

grep --help备忘录 Usage: grep [OPTION]... PATTERN [FILE]...Search for PATTERN in each FILE or standard input.PATTERN is, by default, a basic regular expression (BRE).Example: grep -i 'hello world' menu.h

yum 简单运用 查 1.查看有哪些安装的包 yum list 2.查看安装的特定包 yum search <package_name> yum list installed|grep <package_name> 删 1.删除指定的包 yum -y remove <package_name> 加 1.安装指定的包 yum i...