为什么硬盘连接文件后磁盘使用量减less了6,728k?
给定这个命令序列… $ pwd /data/backup/rsnapshot $ sudo du -csk daily.{2,3}/ruminant 1195040 daily.2/ruminant 36712 daily.3/ruminant 1231752 total $ ls -isk /data/backup/rsnapshot/daily.3/ruminant/home/andy/vmunix \ /data/backup/rsnapshot/daily.3/ruminant/home/andy/vmlinux2 13344429 6728 /data/backup/rsnapshot/daily.3/ruminant/home/andy/vmlinux2 16476851 6728 /data/backup/rsnapshot/daily.3/ruminant/home/andy/vmunix $ sudo ln -f /data/backup/rsnapshot/daily.3/ruminant/home/andy/vmunix \ /data/backup/rsnapshot/daily.3/ruminant/home/andy/vmlinux2 $ ls -isk /data/backup/rsnapshot/daily.3/ruminant/home/andy/vmunix \ /data/backup/rsnapshot/daily.3/ruminant/home/andy/vmlinux2 16476851 6728 /data/backup/rsnapshot/daily.3/ruminant/home/andy/vmlinux2 16476851 6728 /data/backup/rsnapshot/daily.3/ruminant/home/andy/vmunix $ sudo du -csk daily.{2,3}/ruminant 1195040 daily.2/ruminant 36712 daily.3/ruminant […]