SOLUTION:
If you cant use the .bashrc commands due to changes in .bashrc you've made, you will have to refresh the path in terminal, doing so;
Firstly login as su (if the problem is in the root, as mine);
write the following;
Quote:
PATH=$PATH:/bin:/sbin:/usr/bin:/usr/sbin
export PATH
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And then ofc. enter the .bashrc and remake your changes (if known)