src/usr.bin/su/su.1 - diff

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Diff for /src/usr.bin/su/su.1 between version 1.4 and 1.5

version 1.4, 1996/10/12 20:40:38

version 1.5, 1996/10/26 03:19:30

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S/Key is a Trademark of Bellcore.

.Pp

By default, the environment is unmodified with the exception of

.Ev LOGNAME ,

.Ev USER ,

.Ev HOME ,

and

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and

.Ev SHELL

are set to the target login's default values.

.Ev LOGNAME

and

.Ev USER

is set to the target login, unless the target login has a user ID of 0,

are set to the target login, unless the target login has a user ID of 0,

in which case it is unmodified.

The invoked shell is the target login's.

This is the traditional behavior of

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.Ev SHELL ,

.Ev PATH ,

.Ev TERM ,

.Ev LOGNAME ,

and

.Ev USER .

.Ev HOME

and

.Ev SHELL

are modified as above.

.Ev LOGNAME

and

.Ev USER

is set to the target login.

are set to the target login.

.Ev PATH

is set to

.Dq Pa /usr/bin:/bin .

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.It Ev TERM

Provides terminal type which may be retained for the substituted

user ID.

.It Ev USER

.It Ev LOGNAME

The user ID is always the effective ID (the target user ID) after an

.Nm su

unless the user ID is 0 (root).

.It Ev USER

Same as

.Ev LOGNAME .

.El

.Sh HISTORY