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April, 26th. 2006:
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SHA512SUM
Section: User Commands (1) Updated: September 2017 Index
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NAME
sha512sum - compute and check SHA512 message digest
SYNOPSIS
sha512sum
[ ,OPTION/]... [ ,FILE/]...
DESCRIPTION
Print or check SHA512 (512-bit) checksums.
With no FILE, or when FILE is -, read standard input.
- -b, --binary
-
read in binary mode
- -c, --check
-
read SHA512 sums from the FILEs and check them
- --tag
-
create a BSD-style checksum
- -t, --text
-
read in text mode (default)
The following five options are useful only when verifying checksums:
- --ignore-missing
-
don't fail or report status for missing files
- --quiet
-
don't print OK for each successfully verified file
- --status
-
don't output anything, status code shows success
- --strict
-
exit non-zero for improperly formatted checksum lines
- -w, --warn
-
warn about improperly formatted checksum lines
- --help
-
display this help and exit
- --version
-
output version information and exit
The sums are computed as described in FIPS-180-2. When checking, the input
should be a former output of this program. The default mode is to print a
line with checksum, a space, a character indicating input mode ('*' for binary,
' ' for text or where binary is insignificant), and name for each FILE.
AUTHOR
Written by Ulrich Drepper, Scott Miller, and David Madore.
REPORTING BUGS
GNU coreutils online help: < http://www.gnu.org/software/coreutils/>
Report sha512sum translation bugs to < http://translationproject.org/team/>
COPYRIGHT
Copyright © 2017 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later < http://gnu.org/licenses/gpl.html>.
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.
SEE ALSO
Full documentation at: < http://www.gnu.org/software/coreutils/sha512sum>
or available locally via: info aq(coreutils) sha2 utilitiesaq
Index
- NAME
-
- SYNOPSIS
-
- DESCRIPTION
-
- The following five options are useful only when verifying checksums:
-
- AUTHOR
-
- REPORTING BUGS
-
- COPYRIGHT
-
- SEE ALSO
-
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