# tmsu > Simple command-line tool for tagging files. > More information: . - Tag a specific file with multiple tags: `tmsu tag {{path/to/file.mp3}} {{music}} {{big-jazz}} {{mp3}}` - Tag multiple files: `tmsu tag --tags "{{music mp3}}" {{*.mp3}}` - List tags of specified file(s): `tmsu tags {{*.mp3}}` - List files with specified tag(s): `tmsu files {{big-jazz}} {{music}}` - List files with tags matching boolean expression: `tmsu files "{{(year >= 1990 and year <= 2000)}} and {{grunge}}"` - Mount tmsu virtual filesystem to an existing directory: `tmsu mount {{path/to/directory}}`