i have weird files in mysql directory

[memozs]

Hello,
i found these weird files in mysql directory and i don't know what is it and can i remove it?
i found it in  /var/lib/mysql/

Thank you

[Netino]

Check:
https://dba.stackexchange.com/questions/41050/is-it-safe-to-delete-mysql-bin-files

Regards,
Netino

[memozs]

Check:
https://dba.stackexchange.com/questions/41050/is-it-safe-to-delete-mysql-bin-files

Regards,
Netino

Thank you