Type “:set ff?” in command mode to see what the file format is.
:set ff?
If you want to change the file format to Unix, type the following command:
:set ff=unix
Check the result.
:set ff?
Type the following command to change back to Dos format:
:set ff=dos
:[range]y[ank] [x]
The yank command yanks (copies) selected text into the register x.
:[line]pu[t] [x]
The put command pastes the text from register x after a specified line.
:1,10y a
Copies text from the line 1 to line 10 into the register a.
:1,10y
Copies text from the line 1 to line 10 into the unnamed register.
:23pu a
Puts the text from register a after line 23.
:23pu
Puts the text in the unnamed register after line 23.
Display the register list with :reg.
:reg[isters]
To open a specific page in a PDF file, add “#page=[page number]” to the end of the file’s URL.
#page=[page number]
This URL in Chrome opens page 151 of a PDF file named example.pdf:
file:///C:/Documents/example.pdf#page=151
Install a command line tool pdftk on Ubuntu.
sudo apt update
sudo apt install pdftk-java
Here is the example of a command to keep pages 6-12 and 24-end of the original file.
pdftk oldfile.pdf cat 6-12 24-end output newfile.pdf
The “end” in “24-end” means end page.
Before:
After:
