Which UNIX/Linux command is used to make all files and sub-directories in the directory "progs" executable by all users?

Which UNIX/Linux command is used to make all files and sub-directories in the directory "progs" executable by all users?

  1. a) chmod -R a+x progs
  2. b) chmod -R 222 progs
  3. c) chmod -X a+x progs
  4. d) chmod -X 222 progs

From the Combined Bank Senior Officer September 2021 – Preliminary (AUST) exam, question 47 of 92.

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