From github.com, the latest guide shows it should input “./zcutil/build.sh -j$(nproc)”, however one thread in a forum suggested “./zcutil/build.sh -j4”.
I am novice to linux, using VMware on win10 and created a virtual machine of Ubuntu on my T440s laptop. It seems the codes echoed are different from what the forum.
The -j parameter specifies how many CPU cores to use. In the case of -j$(nproc), your computer will automatically choose the number of available cores. In the case of -j4, you’re explicitly telling the build process to try to use 4 cores. If in doubt, use -j($nproc). The output should be the same either way.