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

TEN
       tail - output the last part of files

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

MO T<?>
       In ra 10 dong cu<?>i cung c<?>a m<?>i T<?>P_TIN ra d<?>u ra tieu
       chu<?>n. Khi co vai T<?>P_TIN, thi d<?>u tien in ra ph<?>n d<?>u cho
       bi<?>t ten t<?>p tin.

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

       Tuy ch<?>n dai yeu c<?>u d<?>i s<?> thi tuy ch<?>n ng<?>n cung v<?>y.

       -c, --bytes=[+]S<?>
              xu<?>t S<?> byte cu<?>i cung; ho<?>c dung "-c +S<?>" d<?> xu<?>t
              cac byte b<?>t d<?>u v<?>i byte th<?> S<?> c<?>a t<?>ng t<?>p
              tin

       -f, --follow[={name|descriptor}]
              output appended data as the file grows; an absent option
              argument means 'descriptor'

       -F     gi<?>ng nhu --follow=ten --retry

       -n, --lines=[+]S<?>
              output the last NUM lines, instead of the last 10; or use -n
              +NUM to skip NUM-1 lines at the start

       --max-unchanged-stats=N
              with --follow=name, reopen a FILE which has not changed size
              after N (default 5) iterations to see if it has been unlinked or
              renamed (this is the usual case of rotated log files); with
              inotify, this option is rarely useful

       --pid=S<?>
              with -f, terminate after process ID, PID dies; can be repeated
              to watch multiple processes

       -q, --quiet, --silent
              khong bao gi<?> xu<?>t ph<?>n d<?>u ch<?> ra ten t<?>p tin

       --retry
              c<?> th<?> m<?> t<?>p tin ngay c<?> khi khong th<?> truy c<?>p

       -s, --sleep-interval=N
              v<?>i -f thi ng<?> trong kho<?>ng N giay (m<?>c d<?>nh 1.0)
              gi<?>a hai l<?>n l<?>p l<?>i; khi co inotify va --pid=P, ki<?>m
              tra ti<?>n trinh P it nh<?>t m<?>t l<?>n m<?>i N giay.

       -v, --verbose
              luc nao cung xu<?>t ph<?>n d<?>u ch<?> ra ten t<?>p tin

       -z, --zero-terminated
              b<?> phan tach dong la NUL, khong ph<?>i ky t<?> dong m<?>i

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

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

       NUM may have a multiplier suffix: b 512, kB 1000, K 1024, MB 1000*1000,
       M 1024*1024, GB 1000*1000*1000, G 1024*1024*1024, and so on for T, P,
       E, Z, Y, R, Q.  Binary prefixes can be used, too: KiB=K, MiB=M, and so
       on.

       Dung --follow (-f) thi tail m<?>c d<?>nh theo b<?> mo t<?> t<?>p tin.
       Co nghia la ngay c<?> khi t<?>p tin du<?>c tail cung b<?> thay ten,
       tail c<?> theo doi k<?>t thuc c<?>a no. <?>ng x<?> m<?>c d<?>nh nay
       khong co gia tr<?> khi ngu<?>i dung th<?>c s<?> mu<?>n theo doi ten
       th<?>t c<?>a t<?>p tin, ch<?> khong ph<?>i b<?> mo t<?> t<?>p tin (vi
       d<?>, quay vong s<?> theo doi). Hay dung --follow=ten trong tru<?>ng
       h<?>p do. No khi<?>n tail theo doi t<?>p tin co ten dua ra b<?>ng m<?>t
       cach lam cho thich nghi vi<?>c thay ten, g<?> b<?> va t<?>o.

TAC GI<?>
       Vi<?>t b<?>i Paul Rubin, David MacKenzie, Ian Lance Taylor va Jim
       Meyering.

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
       head(1)

       Tai li<?>u d<?>y d<?> co t<?>i:
       <https://www.gnu.org/software/coreutils/tail>
       ho<?>c s<?>n co n<?>i b<?> thong qua: info '(coreutils) tail
       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 9.7             Thang 4 nam 2025                         TAIL(1)