If proxychains is installed from a package repo, or comes with a distro, the user can't easily tell what version they're on.
proxychains4 --help
Usage: proxychains4 -q -f config_file program_name [arguments]
-q makes proxychains quiet - this overrides the config setting
-f allows one to manually specify a configfile to use
for example : proxychains telnet somehost.com
More help in README file
If proxychains is installed from a package repo, or comes with a distro, the user can't easily tell what version they're on.