The use and practice of Day17-vim (II.)

Edit mode for 5.5:vim:

Edit mode: (enter the following command into edit mode): You can edit the contents of the file:

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Command mode: (Press ESC to enter command mode),

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Supplemental Command: in command mode

: Hi: Highlights are displayed:

: Nohi: The highlight is not displayed:

"X": Save exit, and Wq the difference is that when entering a file is not edited, the use of this command does not change the file's atime.

Command mode Replace command: We replace the size letter A with a lowercase letter a

[Email protected] ~]# cat 1.txt #输入文件的内容

Aaaaaaaaaaaaa

Aaaabbbbbbcc

Dddaacccacc

[Email protected] ~]# vim 1.txt

: 1, $s/a/a/g #用vim进入后 and then replaced with this command, the output is as follows:

[Email protected] ~]# cat 1.txt

Aaaaaaaaaaaaa

Aaaabbbbbbcc

Dddaacccacc

There are three alternative formats, depending on the situation:

[Email protected] Text original content @ Replace content @g

s# text original content # replace content #g

s/text original content/replace content/g

Vim's Practice:

Responsible for/etc/passwd to the desktop:

#cp/etc/passwd./1.txt

Move up or down 10 characters to the left and right:

10k 10j 10h 10l

Move the cursor to line 49:49G

Move to the last line of text:

G

Move to the first line of text:

Gg

Number of root occurrences in the search file:

/root Press N to select the next:

Restore previous action: U

Replace the root of the entire file with Toor.

1, $s/root/root/g

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The use and practice of Day17-vim (II.)