Hi,
I've found ksh man pages refers to rksh and pfksh. Where rksh should be
restricted shell. Ksh can recognize rksh symlink. When using rksh or ksh -r it
acts as restricted shell (for example cd command does not work), but is there
any difference between rksh and ksh -r ?
And for pfksh, I've tried to use pfksh symlink but didn't notice any
difference. What should be result / how it should work? There is only reference
to pfexec in ksh man pages which seems it's not usually/at all present on
Linux systems. I've found only some information talking about pfexec on
OpenSolaris with statement "In effect, pfexec functions as a passwordless su or
sudo in Linux." How is this designed to work (on Linux) ? Also, in ksh sources
there is line:
return(execve("/usr/bin/pfexec", argv, envp));
so is it designed to work on Linux (or systems where pfexec is missing)?
Regards,
Michal Hlavinka
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