HackerRank Tr Command #2 problem solution YASH PAL, 31 July 2024 In this HackerRank ‘Tr’ Command #2 problem-solution In this challenge, we practice using the tr command because it is a useful translation tool in Linux.In a given fragment of text, delete all the lowercase characters a – z.Input FormatA block of ASCII text. Output FormatDelete all the lowercase characters in the given block of text. Problem solution.tr -d [a-z] Second solution.tr -d '[:lower:]' Third solution.read A while [[ -n "$A" ]] do echo "$A" | tr -d [a-z] read A done echo "" coding problems solutions linux shell