As the saying goes, "to do something better, you must first sharpen the tool." That's right. For O & M, you need to use a terminal to remotely manage servers every day. This terminal is the O & M tool:
Mac native terminal is easy to use. Although there are some deficiencies, iterm2 is still found...
The following lists the unique features that beat terminal in iterm2:
1. Support zmodem (for simply transfer file between local and remote server, only supported by securecrt in Windows)
2. Quickly search (support regular expressions and selection)
3. Split pane (Support vertically and horizontally)
4. Instant replay (debug or replay missed things on top command)
There are many other feature, refer to http://www.iterm2.com/#/section/features
The above description of iterm2 is very simple. The key to benefiting the tool lies in the feeling and experience in the actual operation process.