coreutils

.TH CKSUM 1 2022-03-06 "OMKOV coreutils" "General Commands Manual"
.SH NAME
cksum \(em write file checksums and sizes
.SH SYNOPSYS
\fBcksum\fR [\fIfile\fR...]
.SH DESCRIPTION
Compute and print a CRC for each input file, as well as the file size in bytes.
The CRC used is based on the polynomial used for CRC error checking in the
ISO/IEC 8802-3:1996 Ethernet standard.
.SH OPTIONS
The following options are supported:
.IP "\fB--help\fR" 8
Display help information.
.IP "\fB--version\fR" 8
Display version information.
.SH OPERANDS
The following operand is supported:
.IP "\fIfile\fR" 8
A pathname of an input file. If no \fIfile\fR operands are specified, or
\fIfile\fR is a '\fB-\fR', \fIcksum\fR will read from standard input.
.SH EXIT STATUS
The following exit values will be returned:
.IP "\ 0" 8
All files were processed successfully.
.IP ">0" 8
An error occurred.
.SH COPYRIGHT
.nf
Copyright (C) 2020, Jakob Wakeling
MIT Licence (https://opensource.org/licenses/MIT)
.fi