less command with multiple files: How to navigate to next/previous
Solution 1:
We read in the manpage:
:n Examine the next file (from the list of files given in the com‐ mand line). If a number N is specified, the N-th next file is examined. :p Examine the previous file in the command line list. If a number N is specified, the N-th previous file is examined.
Solution 2:
Type :n
and :p
.