If you are the root user, the linux command switches you into Linux mode, but it does not change directory into the /linux directory tree. You must cd to the directory you want to be in.
To exit Linux mode and return to the UNIX shell, type <Ctrl>-D or exit.
When in Linux mode, all relative pathnames that you use are assumed to reside under /linux. For example, if you enter:
cd /tmpwhile in Linux mode, your current directory becomes /linux/tmp. The UnixWare system, however, continues to use /unixware/tmp as the system temporary directory. It is important to recognize that /linux/tmp and /unixware/tmp are two different directories.
You can access UnixWare resources reliably while in Linux mode by adding /unixware to the beginning of all absolute paths you use in commands. Similarly, by adding /linux to an absolute pathname, you can be sure to access a Linux resource.
If the LKP is disabled because of auditing, the linux command will fail with the following message:
The system administrator has disabled Linux Kernel Personality support for the purpose of auditing system activity.