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jcal:tldr:fe695
The command "jcal ${year}" is a shell command that is used to display the calendar of a specific year in the terminal.
Here's how it works:
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The command starts with "jcal", which is a program available in Unix-like operating systems (such as Linux) that is used to display a calendar.
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The ${year} is a placeholder or a variable that represents the specific year you want to display the calendar for. You would replace ${year} with the desired year, for example, "jcal 2022" to display the calendar for the year 2022.
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When you run the command, the shell (such as Bash) will substitute ${year} with the actual year specified and execute the command. Thus, the output would be the calendar for that specific year.
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The calendar will typically be displayed in the terminal, showing all the months, days, and corresponding dates for the specified year.