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)
Check Out this Related Man Page
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)
Hello
when i execute the following command
$sort list
i get the list sorted out onto my screen
if i use
$sort list >listsort
i get an file listsort with the list sorted out
If i use
$sort list >list
i get an empty file list
also when i use
$sort list | >list
i get an empty... (4 Replies)
How shall i burn these files??
cause i dont want to use about 200 MB on 1 cd..
so can i write these three files "bootonly,disk2 & miniinst" into 1 cd?? (4 Replies)
Hi,
which option for ls command , sort the output by size ?Or
How can I sort by size, display of files using ls -l command ?
I want to sort the files in a directory by size.
Many thanks before.
uname -a
AIX 5 (6 Replies)
Hi,
I have some question and need some guidance how to sort and match multiple files.
1. all the data in the files are numbers
e.g. 1234567
1584752
2563156
2. each sorted file have their own ouput. e.g. test.csv -> test_sorted.csv
3. Then, I need to match all... (4 Replies)
Hi,
I am trying to list names of only today's files OR say, files which are not older than 1 hour and copy them in 'list.txt' file. I know,
:ls > list.txt will list all the files. But, how to list today's files? Any help will be appriciated. (4 Replies)
Hi,
I am trying to make a script that creates a list of all active (alive) processes sorted by size and then print this list on screen.
Could anyone help me?
Thaks a lot (7 Replies)
Hi List is
000|2008-07-17|556543|RTJ|35-RTGJ|EYT
465|2008-11-10|567789|GHJ|45-DGHH|ETU
533|2008-09-06|567789|GHJ|45-DGHH|ETU
How does it do it?
sort -t ':' +0 -1 -n +1 -2 +2 -3 -o list list (6 Replies)
hi there,
I have a directory which contents I can parse dynamically. I end up with a file list. I then want to display those files sorted by date, oldest files first. I have very very little PERL experience...Would anyone know how to do that ? Thanks in advance. (8 Replies)
Hi
I am using the command below to list the 10 biggest directories and files in my present directory
du -hs * | sort +0 | tail -10
the output is
8K disk-space
16K rish
32K WINDOWS
48K tests
104K imgvdEwLa.jpg
168K 020204_aerosmith_1024768.jdk
3.2M Acdc -... (4 Replies)
Hi All,
I would like to do a loop on all the files with extension .out in my directory this files should be sorted alphabetically.
Then I need to assign to each of them a progressive ID of three digits (maybe in HEX format?).
First I tried to list manually the files as
ARRAY=(
A-001.out ... (5 Replies)
Hi experts:
What command will list only 1.out to 39.out files in a sorted manner:
Like.
ls -l format with:
1.out
2.out
...
...
39.out
I am using this but it is very long:
ls -lrt .out ; ls -lrt 1.out ; ls -lrt 2.out ; ls -lrt 3.out | sort -k 9 (4 Replies)
In my fodler I have lots of .gz files and a few other files
I can use ls *.gz to list all those files
but how to I list files which do NOT end in .gz
thanks (4 Replies)
Hello,
I am trying to add a line (usually just a word) to some text files in a directory that are already sorted. I just don't want to run the sort command again because it can take a long time when the text or log files are really huge. I have a bashscript that will take in the 1st argument... (7 Replies)
OS : RHEL 6.6
I want to list the files/directories sorted (Ascending or Desceding) by their size.
As you can see in the below example, du command doesn't sort by size.
In Linux world, is there any other command or workaround using du command to list the files/directories sorted by their... (6 Replies)