$ cat /etc/issue
 ____    _    ___ _____ _   _ _     
/ ___|  / \  |_ _|  ___| | | | |    
\___ \ / _ \  | || |_  | | | | |    
 ___) / ___ \ | ||  _| | |_| | |___ 
|____/_/   \_\___|_|    \___/|_____|

$ uname -a
Saiful Islam (I am error..)

$ cat /etc/profile
DOMAIN=saifulapm.github.io
GITHUB=saifulapm
TWITTER=saifulapm