A day linux commands: more (13)

The more command is based on the vi editor text filter, it displays the contents of a text file by pages in full screen, and supports keyword-targeted operation in vi. more built-in list of a number of shortcut keys, commonly used H (to get help), Enter (scroll down one line), space (scroll down a screen), Q (Exit command).

The command text one screen, the full screen to stop, and a message appears the percentage gives the document has been displayed at the bottom of the screen: - More - (XX%) by the following various methods can be to answer the prompt

Press Space: Displays the next screen content of the text.
Press the Enter key: only text contents of the next line.
Press slash |: then enter a mode, a search for the next match in the text mode.
Press H: Displays help screen, relevant help information on the screen.
Press B: content displayed on a screen.
Press Q: exit the more command.

format

more [options] [parameters]

Parameter options

parameter	Remark
+n	From the display start line Zi n
-n	Screen size is defined as the n-th row
+/pattern	The search string (pattern) before each file is displayed, and then began to show after the first two lines from the string
-c	From the top of the screen is cleared, and then display
-d	Prompt "Press space to continue, 'q' to quit (press the space bar to continue, press q to exit)" to disable the function ring
-l	Ignore Ctrl + l (feed) character
-p	To feed the file by clearing the window instead of scrolling, similar to the -c option
-s	The plurality of consecutive blank lines appear on one line
-u	To underline the file contents removed

Examples

Starting from a display file contents, line 2

Command: More +2 myFile

[root@VM_0_9_centos ~]# cat myFile 
fuck my life 20191030
fuck my life2 
fuck my life3



fuck my life4
fuck my life5

[root@VM_0_9_centos ~]# more +2 myFile # 从第2行开始显示了
fuck my life2 
fuck my life3



fuck my life4
fuck my life5

Find a line "life4" string appears from the file, and start showing output from the first two lines there

Instruction: More Tasu / Life4 MyFile

[root@VM_0_9_centos ~]# more +/life4 myFile

...skipping


fuck my life4
fuck my life5

Display file contents of the file, but before the first display screen is cleared, and complete nuclear displayed at the bottom of the screen percentage

Command: More -dc myFile

Display file contents of the file, once every two-line display, and clear the screen before displaying the first

Command: More -c -2 myFile

fuck my life 20191030
fuck my life2 
--More--(44%)

Set the number of lines per screen display

Command: More -2 myFile

[root@VM_0_9_centos ~]# more -2 myFile 
fuck my life 20191030
fuck my life2 
--More--(44%)

Column a directory of files, since the content too much, we should learn to use more page display. This was and piping | combine

Command: LS the -l | More -5

[root@VM_0_9_centos ~]# ls -l / | more -5
total 76
lrwxrwxrwx.  1 root root     7 Jun 11  2017 bin -> usr/bin
dr-xr-xr-x.  4 root root  4096 Apr 12  2018 boot
drwxr-xr-x   2 root root  4096 Apr 12  2018 data
drwxr-xr-x  19 root root  3000 Jul  6 01:39 dev
--More--