You must be the root user.
cat /dev/null > ~/.bash_history && history -c && >/var/log/lastlog && >/var/log/wtmp && >/var/log/btmp && exit
You must be the root user.
cat /dev/null > ~/.bash_history && history -c && >/var/log/lastlog && >/var/log/wtmp && >/var/log/btmp && exit