TLDR
Enter a command. For example: msmtp, julia, dexdump, xml validate.

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}}

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