[bigfile]% dd if=/dev/urandom of=urandom.dat bs=$(( 1024 * 1024 )) count=100
100+0 records in
100+0 records out
104857600 bytes (105 MB) copied, 30.1808 s, 3.5 MB/s
[bigfile]% mv myfile.dat urandom.dat
[bigfile]% clear

[bigfile]% ls
urandom.dat
[bigfile]% ls -a
./  ../  urandom.dat
[bigfile]% bzr init
Created a standalone tree (format: 2a)
[bigfile]% ls -l urandom.dat
-rw-r--r-- 1 parthm parthm 104857600 2010-07-09 10:13 urandom.dat
[bigfile]% du -sh .bzr
84K     .bzr
[bigfile]% bzr add
adding urandom.dat
[bigfile]% bzr ci -m "adding urandom.dat"
Committing to: /home/parthm/tmp/bigfile/
added urandom.dat
Committed revision 1.
[bigfile]% du -sh .bzr
101M    .bzr
[bigfile]% bzr mv urandom.dat urandom2.dat
urandom.dat => urandom2.dat
[bigfile]% bzr ci -m "moved file"
Committing to: /home/parthm/tmp/bigfile/
renamed urandom.dat => urandom2.dat
Committed revision 2.
[bigfile]% du -sh .bzr
201M    .bzr
[bigfile]% rm .bzr/repository/obsolete_packs/*
zsh: sure you want to delete all the files in /home/parthm/tmp/bigfile/.bzr/repository/obsolete_packs [yn]? y
zsh: no matches found: .bzr/repository/obsolete_packs/*
[bigfile]% du -sh .bzr
201M    .bzr
[bigfile]% bzr mv urandom2.dat urandom3.dat
urandom2.dat => urandom3.dat
[bigfile]% bzr ci -m "another move"
Committing to: /home/parthm/tmp/bigfile/
renamed urandom2.dat => urandom3.dat
Committed revision 3.
[bigfile]% du -sh .bzr
301M    .bzr
[bigfile]%