SHELL

linux rename multiple files

$ for i in *.log; do mv -- "$i" "${i%.log}.txt"; done

linux rename multiple files

$ for i in $( ls ); do mv $i $i.old; done

linux rename multiple files

$ for i in $( ls ); do mv $i $i.txt; done

rename multiple files in linux

for f in *.html; do
    mv -- "$f" "${f%.html}.php"
done

rename multiple files in linux

# Change all jpeg to jpg
for f in *.jpeg; do
    mv -- "$f" "${f%.jpeg}.jpg"
done

example of renaming multiple files on linux

mv oldfile newfile