checksum and count the blocks in a file
Compute a checksum with BSD-compatible algorithm and 1024-byte blocks
Compute a checksum with System V-compatible algorithm and 512-byte blocks
sum [OPTION]... [FILE]...
Print or check BSD (16-bit) checksums.
With no FILE, or when FILE is -, read standard input.
use BSD sum algorithm (the default), use 1K blocks
- -s, --sysv
use System V sum algorithm, use 512 bytes blocks
display this help and exit
output version information and exit
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Copyright © 2022 Free Software Foundation, Inc. License GPLv3+: GNU
GPL version 3 or later <https://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.
Full documentation <https://www.gnu.org/software/coreutils/sum> or available locally via: info '(coreutils) sum invocation'
Written by Kayvan Aghaiepour and David MacKenzie.