I only answered this question with this sentence,just so I can ask more questions to get answers.
Answer:
discovery science
.
Explanation:
The discovery in ecology consists of making sustainable observations of creatures within their ecosystem. Though it consist of other things also like people,citizen etc. but the Nature's Notebook program fits the definition of discovery science.So we conclude that discovery science is the best choice for this question.
Answer:
there was a type of user name and sentences
Answer:
#!/bin/bash
if [ -z "$1" ] || [ -z "$2" ]
then
echo "invalid arguments"
exit 1
fi
filename="$1"
extension="$2"
cnt=1
for file in *. $extension
do
echo "renaming $file to $filename $cnt.$extension"
mv -i "$file" "$filename$cnt. $extension" #prompt before overwriting a file
cnt=$(( $cnt + 1 ))
done
Explanation: