Linux command (over): less command

1 . command format:

Less [parameter] file

2 . Command function:

Less is similar to more, but you can browse files at will with less, and more can only move forward, but not backwards, and no will load the entire file before viewing it.

3 . Command parameters:

-B < buffer size > Set buffer size

-e When the file display is finished, automatically leave

-F forcing special files to be opened, such as peripheral code, directories, and binaries

-G only flags the last keyword searched

-I ignores case when searching

-m shows a percentage similar to the more command

-N Displays the line number of each line

-o < file name > save less output in the specified file

-Q does not use warning tones

-S displays a row of continuous empty behavior

-S line too long will be out of the partial discard

-X < number > Displays the "tab" key as a specified number space

/string: Search down the function of "string"

String: The ability to search up "string"

N: Repeat the previous search (with/or?). About

N: Reverse repeats the previous search (and/or?) About

b Turn back one page

D Turn back half a page

H Display Help interface

Q Exit less command

U scroll forward Half page

Y Scrolls forward one line

SPACEBAR Scrolls one line

Enter key to scroll one page

[PageDown]: Flip one PAGE Down

[PageUp]: Flip one page Up

Instance one: View files

Less Test.log

Example Two: PS view process information and pass Less Pagination Display

Ps–ef |less

Example three: Viewing the history of a command record and displaying it via less paging

History | Less

Example four: Browse multiple Files

Less Test1.log Test2.log

Linux command (over): less command