Man page is online help. If you have any questions, you can ask for help. Man XX is enough;
Put the Content File displayed on man page in/usr/share/man;
Page down: Page down; page up: page up; search for keywords:/keyword; search for keywords :? Keyword; to the last page: end; to the first page: home;
One concept that man needs to know is man's "Number", which is used for classification. For example, after man date:
In (1) What does it mean? In fact, the number range is from 1 ~ 9, (1)-General commands; for example, man date (4)-device files, usually in the/dev/directory; for example, man zero (5)-configuration files, generally, it is in the/etc/directory. For example, the man inittab (8) command can be executed by the Administrator; for example, man fdiskman-f xxx: Query XXX command; man-k xxx: search for files with xxx keywords in man page. In addition to man page, Linux also provides
Info
Page online help;