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The contrib archive area contains supplemental packages intended to work with the Debian distribution, but which require software outside of the distribution to either build or function. Every package in contrib must comply with the DFSG.
How do I find my Debian repository?
make sure you have that repository available:
- Locate the file /etc/apt/sources. list .
- Run # apt-get update. to fetch the package list from that repository and adding the list of available packages from it to the local APT’s cache.
- Verify the package became available using $ apt-cache policy libgmp-dev.
What does non free mean?
non-free is for packages which are straight-up not free. … contrib is for packages which are themselves free but depend on packages that are in non-free .
