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:

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

supplemental command: in command mode

:hi: Highlight:

: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 atime.

Command mode replace command: We replace the size letter A with the 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 replace 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 # replaced 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

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