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readahead

readahead(8)                                                  System Manager's Manual                                                 readahead(8)

NAME

       readahead - file preloader for boot process optimization

SYNOPSIS

       readahead [options] <file-list> [another-file-list [...]]

DESCRIPTION

       readahead is a files preloader designed to optimize the disk I/O during the boot process.

OPTIONS

       -b, --build
              build optimised files list only, without sorting.

       -s, --sort
              build and sort list of files only (implies -b).

       -o, --output <file>
              write sorted list of files to file.

       -d, --dont-sort
              preload files described by an already sorted files list.

       -h, --help
              print the usage information.

       -v, --verbose
              enable the verbose mode.

       -t, --timing
              report time spent on each operation.

       -m, --maxsize <max size>
              maximum size in KiB a file can be in order to be preloaded, default is 10240.

       <file-list> [another-file-list [...]]
              One or more files containing the list of files to be preloaded or sorted. The files list can be generated by readahead-collector(8).

FILES

       /etc/default/readahead-fedora

SEE ALSO

       readahead-collector(8), readahead(2),

AUTHORS

       Arjan van de Ven <arjan@infradead.org>,
              Ziga Mahkovec <ziga.mahkovec@klika.si>, Karel Zak <kzak@redhat.com>,

       This manual page was written by Raphael Geissert <geissert@debian.org>

                                                                     July 2011                                                        readahead(8)