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- SUM User Commands SUM
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- NNAAMMEE
- sum - sum and count blocks in a file
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- SSYYNNOOPPSSIISS
- ssuumm file
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- DDEESSCCRRIIPPTTIIOONN
- _S_u_m calculates and prints a 16-bit checksum for the named
- file, and also prints the number of blocks in the file. It
- is typically used to look for bad spots, or to validate a
- file communicated over some transmission line.
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- SSEEEE AALLSSOO
- wc(1)
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- DDIIAAGGNNOOSSTTIICCSS
- `Read error' is indistinguishable from end of file on most
- devices; check the block count.
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- Sprite v1.0 April 29, 1985 1
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