6、命令行的强大功能：搜索、信息查看、别名设置与输入输出重定向

命令行的强大功能：搜索、信息查看、别名设置与输入输出重定向

1. 命令文档搜索与查看

1.1 apropos 搜索手册页

apropos 命令可根据搜索词在手册页列表中查找可能匹配的内容。虽然方式较为简单，但有时很有帮助。例如，使用搜索词 partition 搜索手册页：

[me@linuxbox ~]$ apropos partition
addpart (8)          - simple wrapper around the "add partition" ioctl
all-swaps (7)        - event signalling that all swap partitions have been ac...
cfdisk (8)           - display or manipulate disk partition table
cgdisk (8)           - Curses-based GUID partition table (GPT) manipulator
delpart (8)          - simple wrapper around the "del partition" ioctl
fdisk (8)            - manipulate disk partition table
fixparts (8)         - MBR partition table repair utility
gdisk (8)            - Interactive GUID partition table (GPT) manipulato