.ie \n(.g .ds Aq \(aq
.el .ds Aq '
.TH B2SUM 1 "2026-09-01"
.SH NAME
b2sum \- Print or check the BLAKE2b checksums
.SH SYNOPSIS
\fBb2sum\fR [OPTIONS] [FILE]...
.SH DESCRIPTION
Print or check the BLAKE2b checksums
.SH OPTIONS
.TP
\fB\-c\fR, \fB\-\-check\fR
read checksums from the FILEs and check them
.TP
\fB\-w\fR, \fB\-\-warn\fR
warn about improperly formatted checksum lines
.TP
\fB\-\-status\fR
don\*(Aqt output anything, status code shows success
.TP
\fB\-\-quiet\fR
don\*(Aqt print OK for each successfully verified file
.TP
\fB\-\-ignore\-missing\fR
don\*(Aqt fail or report status for missing files
.TP
\fB\-\-strict\fR
exit non\-zero for improperly formatted checksum lines
.TP
\fB\-l\fR, \fB\-\-length\fR
digest length in bits; must not exceed the max size and must be a multiple of 8 for blake2b; must be 224, 256, 384, or 512 for sha2 or sha3
.TP
\fB\-\-tag\fR
create a BSD style checksum
.TP
\fB\-z\fR, \fB\-\-zero\fR
end each output line with NUL, not newline, and disable file name escaping
.TP
\fB\-h\fR, \fB\-\-help\fR
Print help
.TP
\fB\-V\fR, \fB\-\-version\fR
Print version
.SH VERSION
v(uutils coreutils) 0.11.0