Понимание операций команд синхронизации в Linux

Учитывая файл

354058:c1.com/client-01.log:13:30:04 INFO:       Item: created widget in ARRIVALS
360746:c1.com/client-01.log:13:39:46 INFO:          change transfer to contact
379144:c3.com/client-01.log:13:30:02 INFO:       Item: created widget in ARR
392162:c3.com/client-01.log:13:51:59 INFO:       Item: created widget in ARR
353619:d1.com/core-01.log:14:09:45 INFO:          Server: updating
367422:c5.com/client-01.log:13:51:56 INFO:       searching for Sign
367446:c5.com/client-01.log:13:51:59 INFO:       Item: created widget in ARRIVALS
367629:c5.com/client-01.log:13:52:12 INFO:          change from initial to contact
371979:c9.com/client-01.log:14:00:19 INFO:          change workflow to tgl

команда

sort -t: -k3 file

будет выполнять лексикографическую сортировку, используя третье:-поле с разделителями (и все после него )в качестве ключа сортировки. Результат будет

379144:c3.com/client-01.log:13:30:02 INFO:       Item: created widget in ARR
354058:c1.com/client-01.log:13:30:04 INFO:       Item: created widget in ARRIVALS
360746:c1.com/client-01.log:13:39:46 INFO:          change transfer to contact
367422:c5.com/client-01.log:13:51:56 INFO:       searching for Sign
392162:c3.com/client-01.log:13:51:59 INFO:       Item: created widget in ARR
367446:c5.com/client-01.log:13:51:59 INFO:       Item: created widget in ARRIVALS
367629:c5.com/client-01.log:13:52:12 INFO:          change from initial to contact
371979:c9.com/client-01.log:14:00:19 INFO:          change workflow to tgl
353619:d1.com/core-01.log:14:09:45 INFO:          Server: updating

Чтобы это работало, предполагается, что числа в полях 3, 4 и 5 всегда заполнены нулями -.