* printf: edit page
* Update pages/common/printf.md
Co-authored-by: Muhammad Falak R Wani <falakreyaz@gmail.com>
* printf: update example
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Co-authored-by: Muhammad Falak R Wani <falakreyaz@gmail.com>
- printf is a bash command that acts like C's printf, supporting format
strings and modifiers.
Signed-off-by: Jose Ricardo Ziviani <jrziviani@gmail.com>