Ln /

Shell

# ln -s /usr/local/bin/tclsh8.6 /usr/local/bin/tclsh
# ln -s /usr/local/bin/python3 /usr/local/bin/python
# ln -s /usr/local/bin/egcc /usr/local/bin/gcc
# ln -s /usr/local/bin/eg++ /usr/local/bin/g++