get help under 4.Linux
• There's no need to remember everything,Linux provides detailed help tools and documentation,
· Whatis , view the first line of help,
• help use -h or --help Span style= "font-family: ' The song Body '; > Get, such as ls --help or help ls
• man (manual) Linux most commonly used help commands, The command to get help runs as a parameter man command, man ls
· Mans type of total 9 species, such as Man 1 ls , Man 5 ls ,
· man-k Keyword that can be used to query the document that contains the keyword, such as man-k passwd ,
· Info : Similar to man , but provides more detail to display in a similar web page format ,
· Mans with the Info can be searched by the "/+ keyword" method ,
· Doc Many program commands come with detailed documentation, saved in/user/share/in txt,html,PDF , etc. Doc ,cat view,
Get help under 4.Linux