File system mounted or not

Operating Systems Linux Red Hat File system mounted or not

10-31-2014

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Thanks Aia for explanations with examples.

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LEARN ABOUT MOJAVE

mount_exfat

MOUNT_EXFAT(8)						    BSD System Manager's Manual 					    MOUNT_EXFAT(8)

NAME

     mount_exfat -- mount an ExFAT file system

SYNOPSIS

     mount_exfat [-o options] [-u uid] [-g gid] [-m mask] device directory

DESCRIPTION

     The mount_exfat command mounts the ExFAT filesystem from the device device onto the directory given by directory.	This command is normally
     invoked by diskarbitrationd(8) as the result of detecting a device with a file system recognized as ExFAT.  It can also be invoked indirectly
     by executing the mount(8) command with the -t exfat option.

     The options are as follows:

     -o options
	     Use the specified mount options, as described in mount(8).

     -u uid  Set the owner of the files in the file system to uid.  The default owner is the owner of the directory on which the file system is
	     being mounted.

     -g gid  Set the group of the files in the file system to gid.  The default group is the group of the directory on which the file system is
	     being mounted.

     -m mask
	     Specify the maximum file permissions for files in the file system.  (For example, a mask of 755 specifies that, by default, the owner
	     should have read, write, and execute permissions for files, but others should only have read and execute permissions.  See chmod(1)
	     for more information about octal file modes.)  Only the nine low-order bits of mask are used.  The default mask is taken from the
	     directory on which the file system is being mounted.

     If none of the -u, -g, or -m options are given, the volume will be mounted with the MNT_UNKNOWNPERMISSIONS flag (equivalent to the -o
     noowners option).

     If the device is internal and not removable, the volume will be mounted with the MNT_ASYNC flag (equivalent to the -o async option) by
     default.  That default can be overridden with the -o noasync option.  When mounted with the -o noasync option, metadata updates are synced to
     disk frequently (by default, 50ms after the system call that changed the metadata returns to its caller).

SEE ALSO

     fsck_exfat(8), exfat.util(8), mount(2), unmount(2), fstab(5), mount(8)

HISTORY

     The mount_exfat utility first appeared in Mac OS X 10.6.3.

Darwin								 January 19, 2010							    Darwin

Red Hat