If these filenames pertain to a software or firmware project:
Well-established meaning: Prostate Cancer cell line PC-3. Derived from a bone metastasis of a grade IV prostatic adenocarcinoma. This cell line is androgen-independent, highly invasive, and commonly used for: dgc pc3 3beta zipdgc pc3 3beta 65 updated
If you see pc3 in a filename, the dataset relates to experiments on this specific cell line. If these filenames pertain to a software or
unzip "dgc_pc3_3beta.zip" -d dgc_pc3_3beta_65_updated/
Check for README or metadata JSON/YAML inside. Run file * on contents. Complete the installation