Novell LINUX ENTERPRISE SERVER 10 - INSTALLATION AND ADMINISTRATION 11-05-2007 Installation Manual page 343

/mnt/notes.txt
Following termination of the less process, which was running on another terminal,
the file system can successfully be unmounted.
16.7.4 Kernel Ring Buffer: dmesg
The Linux kernel keeps certain messages in a ring buffer. To view these messages,
enter the command dmesg:
$ dmesg
[...]
end_request: I/O error, dev fd0, sector 0
subfs: unsuccessful attempt to mount media (256)
e100: eth0: e100_watchdog: link up, 100Mbps, half-duplex
NET: Registered protocol family 17
IA-32 Microcode Update Driver: v1.14 <tigran@veritas.com>
microcode: CPU0 updated from revision 0xe to 0x2e, date = 08112004
IA-32 Microcode Update Driver v1.14 unregistered
bootsplash: status on console 0 changed to on
NET: Registered protocol family 10
Disabled Privacy Extensions on device c0326ea0(lo)
IPv6 over IPv4 tunneling driver
powernow: This module only works with AMD K7 CPUs
bootsplash: status on console 0 changed to on
Older events are logged in the files /var/log/messages and /var/log/warn.
16.7.5 List of Open Files: lsof
To view a list of all the files open for the process with process ID PID, use -p. For
example, to view all the files used by the current shell, enter:
tester@linux:~> lsof -p $$
COMMAND PID USER
bash 5552 tester
bash 5552 tester
bash 5552 tester
bash 5552 tester
bash 5552 tester
bash 5552 tester
USER PID ACCESS COMMAND
tester 26597 f....
FD TYPE DEVICE
cwd DIR 3,3
rtd DIR 3,3
txt REG 3,3
mem REG 0,0
mem REG 3,3
mem REG 3,3
less
SIZE NODE NAME
1512 117619 /home/tester
584 2 /
498816 13047 /bin/bash
0 [heap] (stat: No such
217016 115687 /var/run/nscd/passwd
208464 11867 /usr/lib/locale/en_GB.
System Monitoring Utilities 325