Sometimes, you only need to copy the files that have changed since the last time you performed a copy, essentially synchronization rather than a complete re-copy.
有时，您只需要复制那些在上次复制操作之后进行过更改的文件，从本质上说是进行同步，而不是彻底的再次复制。
The itemized changes are used to only encrypt (or delete) files that have changed since the last synchronization.
通过使用修改记录，只加密（或删除）在上一次同步操作之后修改过的文件。
For example, if you are running a synchronization job through cron, then you can use a command like this to create an archive that only contains files changed within the last day (see Listing 23).
例如，如果您使用cron来运行同步任务，那么您可以使用下面的命令，创建仅包括在前一天进行了更改的文件的存档(请参见清单23)。
During a typical build, the make tool simplifies the process considerably by compiling only the files that have changed since the target was last built.
在典型的编译过程中，make工具只编译自上次编译后发生修改的文件，这样就在很大程度上简化了编译过程。
You can also turn on label decorations to see which files have changed since the last commit/update.
您还可打开标签修饰（label decoration）来查看上次提交/更新后哪些文件发生过更改。
The find command finds files where the modification has been changed in the last one day.
find命令可以查找在前一天进行了更改的文件。
Nor is it possible to take advantage of the algorithm used by rsync to encrypt only the files that have changed since the last synchronization.
也无法使用rsync的算法只加密在上一次同步操作之后修改过的文件。
Incremental. Incremental backups include only the files that have changed since the last full or incremental backup.
增量备份仅仅包括从上次完全备份或增量备份以来更改过的文件。
Because Time Machine makes a backup of files that have changed since your last backup, you should understand how some of your applications store files.
自从上次备份后，你更改过的文件，时间机器将把这个文件再次做备份。
Because Time Machine makes a backup of files that have changed since your last backup, you should understand how some of your applications store files.
自从上次备份后，你更改过的文件，时间机器将把这个文件再次做备份。
应用推荐