11-11-2010
Again, because you've mentioned Xubuntu, I expected you to be using the "GNU coreutils" besides bash. The option --color=auto will output this error in MAC OS X, or BSD, for example, unless you download coreutils from gnu.org.
So, two things you might want to consider: reading the man page or help page for the ls command, if it supports colors.
Searching how you could use an alias in csh.
If you just want to get rid of "alias ls='ls --color=auto'" for bash, it is safer to edit the file .bashrc manually, it is a hidden file if you're using a graphical file manager. Remove the line containing "alias ls='ls --color=auto'". The command 'printf' is basically the same as 'echo'
For Mac, they explain how to install ls from GNU here:
A better ls for Mac OS X | hocuspokus
For your own safety, you should beware whether you need to be logged in as root or not, I think you can install sudo too:
Sudo Main Page
This User Gave Thanks to teresaejunior For This Post:
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URL(4) BSD Kernel Interfaces Manual URL(4)
NAME
url -- Realtek RTL8150L USB Ethernet driver
SYNOPSIS
url* at uhub?
urlphy* at mii?
DESCRIPTION
The url driver provides support for USB Ethernet adapters based on the Realtek RTL8150L USB-ether bridge chip.
The url driver supports the following adapters:
CompUSA USBKR100
GreenHouse GH-USB100B
Melco Inc. LUA-KTX
Sitecom LN013
For more information on configuring this device, see ifconfig(8).
DIAGNOSTICS
url%d: watchdog timeout A packet was queued for transmission and a transmit command was issued, however the device failed to acknowledge the
transmission before a timeout expired.
url%d: no memory for rx list The driver failed to allocate an mbuf for the receiver ring.
SEE ALSO
arp(4), mii(4), netintro(4), usb(4), ifconfig(8)
HISTORY
The url device driver first appeared in NetBSD 1.6.
AUTHORS
The url driver was written by Shingo WATANABE <nabe@nabechan.org>.
BSD
September 18, 2006 BSD