TRUNCATE(1) TRUNCATE(1) truncate - truncate ... ... -c, --no-create -o, --io-blocks IO -r, --reference= -s, --size= --help --version 10K 10*1024 KMGTPEZY1024 KBMB...1000 KiB=KMiB=M '+' '-' '<' '>' '/' '%' Padraig Brady GNU coreutils Copyright (C) 2022 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later . dd(1), truncate(2), ftruncate(2) info '(coreutils) truncate invocation' man man https://github.com/man-pages-zh/manpages- zh GNU coreutils 9.1 20229 TRUNCATE(1)