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- SUM(1L) SUM(1L)
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- NNAAMMEE
- sum - checksum and count the blocks in a file
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- SSYYNNOOPPSSIISS
- ssuumm [-rs] [--sysv] [--help] [--version] [file...]
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- DDEESSCCRRIIPPTTIIOONN
- This manual page documents the GNU version of ssuumm. ssuumm
- computes a 16-bit checksum for each named file, or the
- standard input if none are given or when a file named `-'
- is given. It prints the checksum for each file along with
- the number of blocks in the file (rounded up). By default
- each corresponding file name is also printed if at least
- two arguments are specified. With the _-_-_s_y_s_v option, cor-
- responding file name are printed when there is at least
- one file argument. By default, the GNU ssuumm computes
- checksums using an algorithm that is compatible with the
- BSD ssuumm and prints file sizes in units of 1K blocks.
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- OOPPTTIIOONNSS
- _-_r Use the default (BSD compatible) algorithm. This
- option is included for compatibility with the Sys-
- tem V ssuumm. Unless the _-_s option was also given, it
- has no effect.
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- _-_s_, _-_-_s_y_s_v
- Compute checksums using an algorithm that is com-
- patible with the one the System V ssuumm uses by
- default and print file sizes in units of 512-byte
- blocks instead of 1K.
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- _-_-_h_e_l_p Print a usage message and exit with a non-zero sta-
- tus.
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- _-_-_v_e_r_s_i_o_n
- Print version information on standard error then
- exit.
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- FSF GNU Text Utilities 1
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