Answers for "linux replace spaces with underscore from all files in directory"

replace filename space with underscore bash

for file in *; do mv "$file" `echo $file | tr ' ' '_'` ; done

linux replace spaces with underscore from all files in directory

find . -type f -name "* *" -exec bash -c 'mv "$0" "${0// /_}"' {} \;

replace spaces in file names with underscores windows

Get-ChildItem C:\NewFolder -Directory -Recurse | Rename-Item  -NewName {$_.Name -replace '_',' '}