Installing GNU parallel without root permission

Question

EDIT 2

After trying to run parallel, I am getting the following on the terminal when I run both parallel and by the source /homedtic/

Answer 1

./configure --prefix=

This will make the installation in /bin, /lib etc.; just do the make install as usual.

Choose a you have access to (something in ${HOME} if need be), and adjust your PATH to include /bin (and, perhaps, MANPATH to include /share/man so you get access to the man pages as well).