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07 Sep 09
Esposizione: diaframma, otturatore, sensibilità ISO
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Il grado di apertura massima dell’obiettivo (diaframma) è indicato dal valore F che descrive il rapporto tra la distanza focale dell'obiettivo e il diametro ideale di una determinata apertura.
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un valore alto rappresenta un'apertura dell’obiettivo più piccola che blocca il doppio della luce
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Lista drive montati: 3.2.22. /proc/mounts
This file provides a list of all mounts in use by the system:
The output found here is similar to the contents of /etc/mtab, except that /proc/mount is more up-to-date.
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Add Sticky NoteThe output found here is similar to the contents of
/etc/mtab, except that/proc/mountis more up-to-date.- To check if a drive is mounted:
if grep -qs '/foo/bar' /proc/mounts; then
sudo unmount /media/iso
fi - on 2009-09-07
- To check if a drive is mounted:
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