TLDR
Enter a command. For example: xtrlock, chpasswd, alternatives.

cal

 
Prints calendar information, with the current day highlighted. More information: https://manned.org/cal.
 
  • Display a calendar for the current month:
     
    cal
     
  • Display previous, current and next month:
     
    cal -3
     
  • Use Monday as the first day of the week:
     
    cal --monday
     
  • Display a calendar for a specific year (4 digits):
     
    cal {{year}}
     
  • Display a calendar for a specific month and year:
     
    cal {{month}} {{year}}

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