GNU Info

(textutils.info)Summarizing files

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Enter node , (file) or (file)node

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

wc invocation

Print byte, word, and line counts.

sum invocation

Print checksum and block counts.

cksum invocation

Print CRC checksum and byte counts.

md5sum invocation

Print or check message-digests.