I installed drush in drupal 8 and most of the command not working i guess  . I tried drush cc all and got the following output

Command cache-clear needs a higher bootstrap level to run - you will need invoke drush from a more functional [error] Drupal environment to run this command. The drush command 'cc all' could not be executed. [error] A Drupal installation directory could not be found [error] 

UPDATE

drush status output

 PHP configuration : /etc/php5/cli/php.ini Drush version : 4.5 Drush configuration : Drush alias files : 

I installed Drush, but most of the commands doesn't work, I guess. I tried drush cc all and got the following output:

Command cache-clear needs a higher bootstrap level to run - you will need invoke drush from a more functional Drupal environment to run this command.
The drush command 'cc all' could not be executed.
A Drupal installation directory could not be found

drush status outputs the following:

PHP configuration : /etc/php5/cli/php.ini
Drush version : 4.5
Drush configuration :
Drush alias files :

I installed drush in drupal 8 and most of the command not working i guess . I tried drush cc all and got the following output

Command cache-clear needs a higher bootstrap level to run - you will need invoke drush from a more functional [error] Drupal environment to run this command. The drush command 'cc all' could not be executed. [error] A Drupal installation directory could not be found [error] 

I installed drush in drupal 8 and most of the command not working i guess . I tried drush cc all and got the following output

Command cache-clear needs a higher bootstrap level to run - you will need invoke drush from a more functional [error] Drupal environment to run this command. The drush command 'cc all' could not be executed. [error] A Drupal installation directory could not be found [error] 

UPDATE

drush status output

 PHP configuration : /etc/php5/cli/php.ini Drush version : 4.5 Drush configuration : Drush alias files :