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+# tlmgr option
+
+> TeX Live settings manager.
+> More information: <https://www.tug.org/texlive/tlmgr.html>.
+
+- List all TeX Live settings:
+
+`tlmgr option showall`
+
+- List all currently set Tex Live settings:
+
+`tlmgr option show`
+
+- Print all TeX Live settings in JSON format:
+
+`tlmgr option showall --json`
+
+- Show the value of a specific TeX Live setting:
+
+`tlmgr option {{setting}}`
+
+- Modify the value of a specific TeX Live setting:
+
+`tlmgr option {{setting}} {{value}}`
+
+- Set TeX Live to get future updates from the internet after installing from DVD:
+
+`tlmgr option {{repository}} {{https://mirror.ctan.org/systems/texlive/tlnet}}`