nanoΒΆ
Find+replace in nano press next combination:
[Ctrl]+[\]
Enter your search term [return]
Enter your replacement term [return]
[A] # to replace all instances
Show line nums - [CTRL]+[C]
(without dynamic change), or:
nano -c <file>
Thus to display line numbers always when using nano:
echo 'set const' >> ~/.nanorc