Linux puskom-ProLiant-DL385-Gen10 5.4.0-150-generic #167~18.04.1-Ubuntu SMP Wed May 24 00:51:42 UTC 2023 x86_64

//usr/share/nano/debian.nanorc

 ## Here is an example for apt's sources.list.

syntax "sources.list" "sources\.list(~|\.old|\.save)?$" "sources\.list\.d/.*\.list(~|\.old|\.save)?$"
comment "#"

# Coloring the deb lines, working from tail to head.  First the
# components -- well, everything, and thus also the components.
color brightmagenta "^deb.*"
# Distribution -- well, everything, except the components.
color brightred "^deb(-src)?\s+.*((ftp|https?|rsh|ssh|copy|file|spacewalk|tor):/\S+|cdrom:\[.+\]/)\s+\S+"
# URIs.
color brightgreen "^deb(-src)?\s+.*(ftp|https?|rsh|ssh|copy|file|spacewalk|tor):/\S+"
# CDroms.
color brightgreen "^deb(-src)?\s+.*cdrom:\[.+\]/"
# Options.
color brightcyan "^deb(-src)?\s+\[.+\]\s+"
# And finally the initial deb tag.
color yellow "^deb(-src)?"

# Comments.
color brightblue "#.*"