STDBUF(1) General Commands Manual STDBUF(1) (NAME) stdbuf - COMMAND (SYNOPSIS) stdbuf [OPTION]... COMMAND (DESCRIPTION) COMMAND . (OPTIONS) -i, --input -o, --output -e, --error -h, --help -V, --version (EXTRA) MODE 'L' (line buffered) . . MODE '0' (unbuffered) . MODE : KB 1000 K 1024 MB 1000*1000 M 1024*1024 G T P E Z Y. (fully buffered) MODE . : COMMAND ( tee) stdbuf . ( dd cat ) I/O stdbuf . (VERSION) v(uutils coreutils) 0.11.0 2026-09-01 STDBUF(1)