| 
Option | 
  | 
Description | 
| 
-uchimeout | 
  | 
Tabbed output file. The 
‑uchimeout5 option sets the uchimeout format to be
compatible with v5 and earlier versions of usearch. | 
| 
-uchimealns | 
  | 
Human-readable 3-way 
alignments of query to putative parents. | 
| 
-chimeras | 
  | 
FASTA file with 
sequences classified as chimeric. | 
| 
-nonchimeras | 
  | 
FASTA file with 
sequences classified as not chimeric. | 
| 
-chimerasq | 
  | 
FASTQ file with 
sequences classified as chimeric (v8.0.1616 or later). | 
| 
-nonchimerasq | 
  | 
FASTQ file with 
sequences classified as not chimeric (v8.0.1616 or later). |