[Comm] man su

[Mikhail Gusarov]

Twas brillig at 14:45:15 11.02.2008 UTC+06 when Mikhail Gusarov did gyre and gimble:

 MG> п║п©п╣я├п╦я└п╦п╨п╟я├п╦я▐ SUSv3 п©я─п╬ su п╫п╦я┤п╣пЁп╬ п╫п╣ пЁп╬п╡п╬я─п╦я┌, LSB п╤п╣ п╬п©п╦я│я▀п╡п╟п╣я┌
 MG> п©п╬п╡п╣п╢п╣п╫п╦п╣ su п╠п╣п╥ п╪п╦п╫я┐я│п╟ п╢п╬я│я┌п╟я┌п╬я┤п╫п╬ я─п╟я│п©п╩я▀п╡я┤п╟я┌п╬, я┌п╟п╨ я┤я┌п╬ п╦ п©п╬п╡п╣п╢п╣п╫п╦п╣
 MG> п╡ ALT, п╦ п©п╬п╡п╣п╢п╣п╫п╦п╣ п╡ п╬я│я┌п╟п╩я▄п╫я▀я┘ я─п╟я│п©я─п╬я│я┌я─п╟п╫я▒п╫п╫я▀я┘ п╢п╦я│я┌я─п╦п╠я┐я┌п╦п╡п╟я┘,
 MG> я┐п╢п╬п╡п╩п╣я┌п╡п╬я─я▐п╣я┌ п╣п╪я┐.

http://refspecs.linux-foundation.org/LSB_3.2.0/LSB-Core-generic/LSB-Core-generic/su.html

"If the option - is not specified, and if the first operand is not -,
the environemnt for the new shell shall be intialized from the current
environment. If none of the -m, -p, or --preserve-environment options
are specified, the environment may be modified in unspecified ways
before invoking the shell."

п╒.п╣. su п╦п╥ ALT п╫п╦п╨п╟п╨ п╫п╣ п©п╬п╩я▄п╥я┐п╣я┌я│я▐ п©я─п╟п╡п╬п╪ "may be modified", su п╦п╥
п╬я│я┌п╟п╩я▄п╫я▀я┘ п╢п╦я│я┌я─п╦п╠я┐я┌п╦п╡п╬п╡ - п©п╬п╩я▄п╥я┐п╣я┌я│я▐.

-- 
JID: dottedmag на jabber.dottedmag.net
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