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Re: [ts-7000] Re: Mounting USB pendrive

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Subject: Re: [ts-7000] Re: Mounting USB pendrive
From: Jason Stahls <>
Date: Fri, 25 Apr 2008 08:03:01 -0400
LaksCEO wrote:
>> mount -t vfat $DEVPATH/part1 /srv/ -o
>> async,noatime,nodiratime,nodev,noexec,nosuid,gid=100,umask=002
>>     
> what does this -o option does?

Checkout 'man mount' it will enlighten you.  -o is used to pass options 
to mount on how you want it to mount the device.  In this case, it's 
mounted asynchronous, no file or directory time stamps, can't host 
devices, nothing can be executed from it, nothing can have the suid bit 
set ('man chmod') all files are owned by the group 200 and the 
permission mask of 775 (owner/group get read write and execute, others 
get execute and read, again 'man chmod'), the umask is the inverse of 
the actuall permission mask.

Jason

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