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Hi,all:
I want to boot an IA unix box from network, I am sure I set the DHCP and boot server, but it still failed !

It says : Client MAC Address: 00 18 FE 28 91 82 .....-
PXE-E16: Valid PXE...

# ioscan -f | grep disk
Class I H/W Path Driver S/W State H/W Type Description
disk 3 0/0/2/0.0.0.0 sdisk CLAIMED DEVICE TEAC DV-28E-N ...

what is the mean by placing a dot before the script name, when I am learning the shell, I found only if you put dot before the script name, or those command such as ' export variable ' in the shell...

In the for loop, we always write like
for CurUser in $( cut -f 1 -d : /etc/passwd )
do
...
done
or
for CurUser in `cut -f 1 -d : /etc/passwd`
do
...
done
Is there any difference...

Thanks Tornado, maybe there is something wrong with my unix box, I have tried in another one, it worked in the correct way, thanks !

^_^
# ls -al /testdir
total 16
drwxr-xr-x 2 root sys 96 Jan 11 19:14 .
drwxr-xr-x 24 root root 8192 Jan 11 19:14 ..
-rw-r--r-- 1 root sys ...

no, ivan has no write permission to the directory where testfile is in, actually in my opinion, according to the permission setting, the permission of the file should overwrite the permission of the...

Hi,I am a newbie, in a hp-ux box,i create a file testfile as root,
ls -l testfile
-rw-r--r-- 1 root sys 1 Jan 11 17:51 testfile
then l login the box as user ivan,then I...