mbuffer(1) console utility mbuffer(1) (NAME) mbuffer - (SYNOPSIS) mbuffer [] (DESCRIPTION) mbuffer / (I/O) (throughput) . buffer . (OPTIONS) -b <> ( ). -s <> ( ). -m <> ( ) - (b B k M G % ). -L - set-UID root mbuffer ( ). -d ( ). -D <> ( ) (volume change) . . (b B k M G ). -P <> ( - ). -p <> ( - ). -i <_> _ ( / ). _ - . -o <_> _ ( / sendfile ). _ - . -o . --append -o (append). --truncate (truncate) -o . -I <[:][@]> . : . . -O <:> : ( sendfile ). . -n <> ( -i mbuffer ). -t (memory- mapped) ( ). -T <> -t . -l <> . -u <> - ( ) . -r <> . ( k, M, G) . . . . -R <> (). -M <> . ( -p -P) . -r -M . -R . -f . -a <> (autoloader) . -A <> . ( cron) /bin/false . mbuffer . -v <> (verbose) . ( = = = = = = /). . -q - . -Q - . -c - . . -e . -H, --md5 MD5 . --hash <> list . --pid (PID) . mbuffer . PID "printpid = 1" .mbuffer.rc . -W <> (watchdog) / . mbuffer SIGINT . . -W . -W -I -O . -4 IPv4 / . -6 IPv6 / . -0 IPv4/IPv6 . --no-direct O_DIRECT - btrfs. --tcpbuffer TCP . (b B k M G ). --tcptimeo <> TCP. 10s . . : us, ms, s sec, m min, h. --tapeaware . LTO 'no space left' . 'no space left' . . --direct / (Direct I/O) . -h, --help . -V, --version . (DEFAULT VALUES) = . mbuffer.rc . : - /etc/mbuffer.rc - $PREFIX/etc/mbuffer.rc - $HOME/.mbuffer.rc - $MBUFFERRC . (ENVIRONMENT VARIABLES) TMPDIR mbuffer . TMPDIR /var/tmp . MBUFFERRC mbuffer.rc . MBUFFER_VOL ( ). MBUFFER_NUMIN ( ). MBUFFER_NUMOUT ( ). (FILES) $PREFIX/bin/mbuffer /var/tmp/mbuffer-* ~/.mbuffer.rc (EXAMPLES) : mbuffer mbuffer tar . : . tar cf - mydirectory | gzip | mbuffer -t -m 10M -P 80 -f -o $TAPE mbuffer : mbuffer -n 3 -i $TAPE | gzip -dc | tar xf - mbuffer : tar cf - /usr | mbuffer -f -o $TAPE : tar cf - /usr | mbuffer -A "echo next tape; read a < /dev/tty; mt erase $TAPE" -f -o $TAPE : : mbuffer -I 8000 -f -o $TAPE : tar zcf - /home | mbuffer -O tapeserver:8000 : : tar cf - /tree_to_clone | mbuffer -O clone0:8000 -O clone1:8000 : mbuffer -I master:8000 | tar xf - : tar cf - / | mbuffer -o /dev/tape -p20% -p80% -M 50M -R 120M mbuffer -i /dev/tape -p20% -p80% -M 50M -r 120M | tar xf - (EXITCODE) mbuffer . . (AUTHORS) Thomas Maier-Komor (DONATIONS) . PayPal (thomas@maier-komor.de) . (HOMEPAGE) (LICENSE) (GNU General Public License V3) . LICENSE . (SEE ALSO) buffer(1) Thomas Maier-Komor R20260511 mbuffer(1)