SUM(1)                        Cac cau l<?>nh                            SUM(1)

TEN
       sum - checksum and count the blocks in a file

TOM T<?>T
       sum [TUY_CH<?>N]<?> [T<?>P_TIN]<?>

MO T<?>
       In ho<?>c tinh t<?>ng ki<?>m tra BSD (16 bit).

       Khong ch<?> ra T<?>P_TIN, ho<?>c khi T<?>P_TIN la "-", thi d<?>c t<?>
       d<?>u vao tieu chu<?>n.

       -r     use BSD sum algorithm (the default), use 1K blocks

       -s, --sysv
              dung thu<?>t toan tinh t<?>ng System V, dung cac kh<?>i 512 byte

       --help hi<?>n th<?> tr<?> giup nay r<?>i thoat

       --version
              dua ra thong tin phien b<?>n r<?>i thoat

TAC GI<?>
       Vi<?>t b<?>i Kayvan Aghaiepour va David MacKenzie.

THONG BAO L<?>I
       Tr<?> giup tr<?>c tuy<?>n GNU coreutils:
       <https://www.gnu.org/software/coreutils/>
       Report any translation bugs to <https://translationproject.org/team/>

B<?>N QUY<?>N
       Copyright (C) 2025 Free Software Foundation, Inc.  Gi<?>y phep GPL pb3+
       : Gi<?>y phep Cong c<?>ng GNU phien b<?>n 3 hay sau
       <https://gnu.org/licenses/gpl.html>.
       Day la ph<?>n m<?>m t<?> do: b<?>n co quy<?>n s<?>a d<?>i va phat hanh
       l<?>i no. KHONG CO B<?>O HANH GI C<?>, v<?>i di<?>u khi<?>n du<?>c phap
       lu<?>t cho phep.

XEM THEM
       Tai li<?>u d<?>y d<?> co t<?>i:
       <https://www.gnu.org/software/coreutils/sum>
       ho<?>c s<?>n co n<?>i b<?> thong qua: info '(coreutils) sum invocation'

D<?>CH
       B<?>n d<?>ch ti<?>ng Vi<?>t c<?>a trang hu<?>ng d<?>n nay do

       th<?>c hi<?>n.

       B<?>n d<?>ch nay la Tai li<?>u Mi<?>n phi; d<?>c Gi<?>y phep Cong
       c<?>ng GNU Phien b<?>n 3 <https://www.gnu.org/licenses/gpl-3.0.html>
       ho<?>c m<?>i hon d<?> bi<?>t cac di<?>u kho<?>n b<?>n quy<?>n.  Chung
       toi cho r<?>ng KHONG CO TRACH NHI<?>M PHAP LY.

       N<?>u b<?>n tim th<?>y m<?>t s<?> sai sot trong b<?>n d<?>ch c<?>a
       trang hu<?>ng d<?>n nay, vui long g<?>i thu d<?>n TODO <>.

GNU coreutils 9.6             Thang 2 nam 2025                          SUM(1)