Unknown hash-type selected.

[hashquestion]

Code:

sudo apt-get uninstall hashcat
cd ~/Downloads/
wget https://hashcat.net/files/hashcat-6.2.3.7z
7z x hashcat-6.2.3.7z
cd hashcat-6.2.3/
./hashcat -b

./hashcat -b
bash: ./hashcat: No such file or directory