我注意到,Unix实用程序格式化的手册页和其他文档经常使用双反引号,``然后用双单引号引起''来的单引号而不是双引号字符"。单引号被类似地替换。为什么是这样? 以下是几个示例,来自手册页grep: To find all occurrences of the pattern `.Pp' at the beginning of a line: $ grep '^\.Pp' myfile The apostrophes ensure the entire expression is evaluated by grep instead of by the user's shell. The caret `^' matches the null string at the beginning of a line, and …
如果我想知道的含义wget -b,请参阅的手册man wget,然后搜索该-b选项。 -b --background Go to background immediately after startup. If no output file is specified via the -o, output is redirected to wget-log. 我想通过类似的命令获得结果man wget -b。(当然,这是行不通的。) 有没有类似的方法可以实现?
尝试man在Linux系统上运行时出现此错误: $ LC_ALL=C man man man: Too many arguments Try 'man --help' or 'man --usage' for more information. 我的man命令似乎不是别名: command -v man: /usr/bin/man 这是怎么回事?