CentOS common commands for viewing and editing files

The following tutorial column of centos will introduce you to the commonly used CentOS commands to view and edit files. I hope it will be helpful to friends in need!

CentOS common commands for viewing and editing files

cat:

1.cat file Viewing files

2.cat file -A to view all files

3. cat file -b to view non-blank lines and output line numbers

4. cat file -n to view all lines to output line numbers

5. cat file -s does not output multiple blank lines

vi:

1. vi file enters the file

2. Press [i] to enter insert mode. You can edit

3. Press [o] to insert a carriage return at the cursor and then edit

4. Press [x] to delete a character to the right of the cursor

5. Press [r] to replace the character where the cursor is.

6. [#dd] Delete the content from the current line to the # line (# represents a number)

7. [#yy 】Copy the characters in the line to

#5. Press ESC to exit the current mode

6. Press [:] to enter lastlinemode mode

Enter [q]: No Save and exit

Enter [wq]: Save and exit

Enter [q!]: Force exit (without saving)

Enter [wfilename]: Save as filename File

Enter [/]: search for characters

in the file

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