Todd C. Miller <Todd.Miller@courtesan.com>
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THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
Sponsored in part by the Defense Advanced Research Projects
Agency (DARPA) and Air Force Research Laboratory, Air Force
Materiel Command, USAF, under agreement number F39502-99-1-0512.
Automatically generated by Pod::Man 2.22 (Pod::Simple 3.07)
Standard preamble:
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.... Set up some character translations and predefined strings. \*(-- will
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therefore won't be available. \*(C` and \*(C' expand to `' in nroff,
nothing in troff, for use with C<>.
.tr \(*W- . ds -- \(*W- . ds PI pi . if (\n(.H=4u)&(1m=24u) .ds -- \(*W\h'-12u'\(*W\h'-12u'-\" diablo 10 pitch . if (\n(.H=4u)&(1m=20u) .ds -- \(*W\h'-12u'\(*W\h'-8u'-\" diablo 12 pitch . ds L" "" . ds R" "" . ds C` . ds C' 'br\} . ds -- \|\(em\| . ds PI \(*p . ds L" `` . ds R" '' 'br\}
Escape single quotes in literal strings from groff's Unicode transform.
If the F register is turned on, we'll generate index entries on stderr for
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entries marked with X<> in POD. Of course, you'll have to process the
output yourself in some meaningful fashion.
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Accent mark definitions (@(#)ms.acc 1.5 88/02/08 SMI; from UCB 4.2).
Fear. Run. Save yourself. No user-serviceable parts.
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Title "VISUDO 8"
way too many mistakes in technical documents.
There is a hard-coded list of one or more editors that visudo will use set at compile-time that may be overridden via the editor sudoers \f(CW\*(C`Default\*(C' variable. This list defaults to "/usr/bin/vi". Normally, \fBvisudo does not honor the \*(C`VISUAL\*(C' or \*(C`EDITOR\*(C' environment variables unless they contain an editor in the aforementioned editors list. However, if visudo is configured with the --with-env-editor option or the env_editor \*(C`Default\*(C' variable is set in sudoers, \fBvisudo will use any the editor defines by \*(C`VISUAL\*(C' or \*(C`EDITOR\*(C'. Note that this can be a security hole since it allows the user to execute any program they wish simply by setting \*(C`VISUAL\*(C' or \*(C`EDITOR\*(C'.
\fBvisudo parses the sudoers file after the edit and will not save the changes if there is a syntax error. Upon finding an error, visudo will print a message stating the line number(s) where the error occurred and the user will receive the \*(L"What now?\*(R" prompt. At this point the user may enter \*(L"e\*(R" to re-edit the sudoers file, \*(L"x\*(R" to exit without saving the changes, or \*(L"Q\*(R" to quit and save changes. The \*(L"Q\*(R" option should be used with extreme care because if visudo believes there to be a parse error, so will sudo and no one will be able to sudo again until the error is fixed. If \*(L"e\*(R" is typed to edit the sudoers file after a parse error has been detected, the cursor will be placed on the line where the error occurred (if the editor supports this feature).
.Vb 1 Todd Miller .Ve
See the \s-1HISTORY\s0 file in the sudo distribution or visit http://www.sudo.ws/sudo/history.html for more details.