cd ~ ls -alg ccc.tarYou should see the directory listing for the tar file.
tar xvf ccc.tar
g++ -I~/cccfiles -g -e myprog myprog.cpp -lmPay careful attention to letter case and spaces.
myprog
g++ -I~/cccfiles -g -e myprog myprog.cpp -L/usr/X11/lib -lX11 -lmPay careful attention to letter case and spaces.
myprog &