1.Correcting the GECOS information may sound trivial, but it is helpful to the other administrators and users on the system.
纠正GECOS信息看起来可能意义不大，但是这对系统上的其他管理员和用户有帮助。
2.To verify that replication is working correctly, observe what happens when the gecos attribute is updated.
为了确认复制可以正常工作，需要研究一下在更新gecos属性时到底发生了什么。
3.Searching for his last name, which was correctly entered into the GECOS field, would quickly show me his user name.
搜索他的姓（已经在GECOS字段中正确地输入了），可以快速地显示他的用户名。
4.Also, the GECOS field cannot end with ! #.
另外，GECOS字段不能以！#结尾。
5.GECOS GEneral Comprehensive Operating System
通用综合操作系统