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/default.nanorc

 ## An example of a default syntax.  The default syntax is used for
## files that do not match any other syntax.

syntax "default"
comment "#"

# Comments.
color cyan "^[[:space:]]*#.*"

# Spaces in front of tabs.
color ,red " +	+"

# Nano's name, including version.
color brightred "(GNU )?nano [1-9]\.[0-9]\.[^[:space:][:punct:]]+"

# Email addresses.
color magenta "<[[:alnum:].%_+-]+@[[:alnum:].-]+\.[[:alpha:]]{2,}>"