(coreutils.info)Summarizing files

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Enter node , (file) or (file)node

6 Summarizing files
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These commands generate just a few numbers representing entire contents
of files.

wc invocation

Print newline, word, and byte counts.

sum invocation

Print checksum and block counts.

cksum invocation

Print CRC checksum and byte counts.

b2sum invocation

Print or check BLAKE2 digests.

md5sum invocation

Print or check MD5 digests.

sha1sum invocation

Print or check SHA-1 digests.

sha2 utilities

Print or check SHA-2 digests.