linux常用命令less选项

-N  ........  --LINE-NUMBERS
                  Use line numbers.　显示行号．

-m  -M  ....  --long-prompt  --LONG-PROMPT
                  Set prompt style.  读取文件的百分比，行号及总行数．

q  :q  Q  :Q  ZZ     Exit.

　 j  　 Forward  one line   (or N lines).
  　k 　  Backward one line   (or N lines).
  f   Forward  one window (or N lines).
  b    Backward one window (or N lines).

/pattern          *  Search forward for (N-th) matching line.
  ?pattern          *  Search backward for (N-th) matching line.

g  <  ESC-<       *  Go to first line in file (or line N). 按了ｇ，再输入行号．看看跳转行号效果
  G  >  ESC->       *  Go to last line in file (or line N).

一般情况下用 less file或者less -MN file.