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Why printf is superior to echo in Linux scripts

The printf command offers well-defined behavior following the POSIX standard, which means it works the same way across shells ...
Ars Technica

Possible to align output with printf()?

Trying to do this in a c program:<BR><BR><pre class="ip-ubbcode-code-pre">printf(" Heading1 Heading2 Heading3\n"); printf(" %i %i %i\n", var1, var2, var3);</pre><BR ...