Linux显示用户的ID
youhaidong@youhaidong-ThinkPad-Edge-E545:~$ id uid=1000(youhaidong) gid=1000(youhaidong) 组=1000(youhaidong),4(adm),24(cdrom),27(sudo),30(dip),46(plugdev),108(lpadmin),124(sambashare)
原文：http://blog.csdn.net/you23hai45/article/details/43087337