# cfv > Command-line File Verify, a utility to test and create checksum files. > More information: . - [T]est checksum files in current directory: `cfv -T` - [T]est [v]erbosely, re[n]ame bad, and show [u]nverified files using a checksum [f]ile: `cfv -Tvnu -f {{path/to/file}}` - [C]reate a checksum file of a specific [t]ype for the selected files: `cfv -C -t "{{sfv|sha256|md5|...}}" {{file1 file2 ...}}` - [C]reate separate checksum files for each [r]ecursively selected directory: `cfv -Cr` - [C]reate a single `sha256` type [f]ile for all [rr]ecursively selected files: `cfv -C -f {{sums.sha256}} -rr` - [C]reate a `g[z]ipped` `.sfv` file [v]erbosely, following `sym[l]inks` and using `path/to/directory` as base [p]ath: `cfv -Czvl -p {{path/to/directory}}`