runlevel in Linux and Solaris and AIX
作者 佚名技术
来源 Linux系统
浏览
发布时间 2012-07-04
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运行级别对于系统使用来说应该是一个很重要的基本概念,原来一直使用Linux,现在又用Solaris和AIX,一下模糊了,他们对runlevel的定义有些许不同,现本人搜集了哈,做个比较.
| runlevel |
Linux |
Solaris |
| 0 |
halt (Do NOT set initdefault to /etc/inittal "initlevel" entry) |
halt |
| 1 |
Single user mode |
Single user mode |
| 2 |
Multiuser, without NFS (The same as 3, if you do not have networking) |
multiuser, unshare net |
| 3 |
Full multiuser mode |
multiuser, deafult |
| 4 |
unused |
unused |
| 5 |
X11 |
halt, power off |
| 6 |
reboot (Do NOT set initdefault to this) |
reboot to level 3 |
| S |
None |
equal “init 1”, “boot -s” |
AIX:
"AIX does not follow the System V R4 (SVR4) run level specification, with run levels from 0 to 9 available, as well as from a to c. 0 and 1 are reserved, 2 is the default normal multiuser mode and run levels from 3 to 9 are free to be defined by the administrator. Run levels from a to c allow the execution of processes in that run level without killing processes started in another."
本来想把上个表格做得更全些的,结果在google上一搜,晕！人家[url]http://en.wikipedia.org/wiki/Runlevel[/url]做得之巴适！我晕！真是众人拾柴火焰高啊！大家还是有空多去看看wikipedia吧！
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