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Top Forums UNIX for Dummies Questions & Answers this is a very dumb question...i know... :( Post 302289126 by cjcox on Wednesday 18th of February 2009 08:12:13 PM
Old 02-18-2009
hard link count

That is, the number of references within the filesystem to the same file.

In unix when the hard link count reaches 0, the space is available (effectively, the file is truly gone).

You can better see this relationship of links (inode references) by adding -i to your ls command. Have some fun exploring. Use ln to create some arbitrary hard links and then do some removes and examine overall space... have fun!
 

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

NAME
dmesg -- display the system message buffer SYNOPSIS
dmesg [-ac] [-M core [-N system]] DESCRIPTION
The dmesg utility displays the contents of the system message buffer. If the -M option is not specified, the buffer is read from the cur- rently running kernel via the sysctl(3) interface. Otherwise, the buffer is read from the specified core file, using the name list from the specified kernel image (or from the default image). The options are as follows: -a Show all data in the message buffer. This includes any syslog records and /dev/console output. -c Clear the kernel buffer after printing. -M Extract values associated with the name list from the specified core. -N If -M is also specified, extract the name list from the specified system instead of the default, which is the kernel image the system has booted from. FILES
/var/run/dmesg.boot usually a snapshot of the buffer contents taken soon after file systems are mounted at startup time SEE ALSO
sysctl(3), syslogd(8) HISTORY
The dmesg utility appeared in 4.0BSD. BSD
May 9, 2013 BSD
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