Hi,
I have a file which has special characters. I can't see them when I "vi" the file. But I am sure there are some special un seen characters. How can I see them?
Please help.
Thx (6 Replies)
Hi,
I have a data like this in a file,
402003279034002000100147626030003300010000000000002000029000000 ær^M^\MÍW^H
I need to replace those special char to some other char like # or $
Is there any ways to do it...
I tried commands tr,sed and many but it was not able to replace because... (1 Reply)
I don't now exactly how I did it, but I created a file named " -C "
cexdi:/home1 $ls -lt
total 1801336
-rw------- 1 cexdi ced-group 922275840 23 mars 10:03 -C
How do I delete this file ?
cexdi:/home1 $rm -C
rm: invalid option -- C
Syntax : rm filename ...
Doesn't work...... (5 Replies)
Environment: Sun UNIX
Language: Bourne Shell
Problem:
I am writing a script that allows user to key in a directory. Example: /root/tmp.
Since the user can key in anything he/she wants, I need to validate to make sure that he/she does not key in anything funny i.e.... (37 Replies)
Hey Everyone,
I'm quite new to unix (hence the 0 posts!) and im trying to write a simple program that outputs what the user types in to the screen, as long as it is a letter.
This part works fine, however, when a "\" is entered doesnt not display anything and moves to the next line. Is... (11 Replies)
I made menu script for users so they can run other script without going in shell just from menu.
But i must control their input.
These are criteria:
Input must have 4 signs
First two signs are always lower case letters
Input shall not have some special signs just letters and numbers
... (1 Reply)
Hello All,
I am facing challenges in order to transfer a file from windows to unix box,the file contains a special character '×' ,now when I am transferring the file from windows to unix that special character converted to something else like 'Ã' ,another thing I have noticed that the hardware is... (1 Reply)
Hi Guys,
We receive some huge files on to Linux server. Source system use FTP mechanism to transfer these files on our server. Occasionally one record is getting corrupted while transfer, some control characters are injecting into the file. How to fix this issue ? please advice ?
Sample... (2 Replies)
Hi All, I am a newbie to Shell scripting. I have a requirement to Delimit the file fields of a Input file having special characters and spaces with ";".
Input File
----------------------------------
Server Port
----------------------------------
Local ... (5 Replies)
I am trying to rename files with spaces and other characters and not able to be successful.
FileNames:
UPLOAD REFERENCE.xls
UPLOAD MASS REFERENCE.XLS
find /UPLOAD REFERENCE/ -depth -type f -name "* *" -exec rename " " "_" "{}" ";"
The above one is successful to replace spaces... (1 Reply)
Discussion started by: eskay
1 Replies
LEARN ABOUT DEBIAN
update-grub
update-grub(8) System Manager's Manual update-grub(8)NAME
update-grub - program to generate GRUB's menu.lst file
SYNOPSIS
update-grub
DESCRIPTION
update-grub is a program used to generate the menu.lst file used by the grub bootloader. It works by looking in /boot for all files which
start with "vmlinuz-". They will be treated as kernels, and grub menu entries will be created for each. It will also create the initial
menu.lst if none exists, after prompting the user. It will also add initrd lines for ramdisk images found with the same version as kernels
found. e.g. /boot/vmlinuz-2.4.5 and /boot/initrd-2.4.5 will cause a line of "initrd=/boot/initrd-2.4.5 or similar to be added for the ker-
nel entry in the menu.lst.
After update-grub has been run for the first time, the user is required to edit the generated menu.lst. The user must set the two options
update-grub uses. Then re-run the update-grub script to update the menu.lst file using the default's that have been set.
These are the options passed to the linux kernel:
# kopt=root=/dev/hda1 ro
Everything after "kopt=" is passed to the kernel as parameters. See bootparam(7) for more information.
This is the grub device from which grub loads the kernel:
# groot=(hd0,1)
(hd0,1) is a partition in grub notation. See grub(8) for more information.
This option controls if grub should create the alternative boot options in the menu entries
# alternative=true
# alternative=false
This option controls if grub should lock the alternative boot options see grub(8) for more information.
# lockalternative=true
# lockalternative=false
This option controls if grub should lock the old kernels.
# lockold=true
# lockold=false
This options controls what is used for the alternative boot options, multiple altoptions lines are allowed.
# altoptions=(some description) some kernel command line options
# altoptions=(recovery option) single
The description is placed in '()' and the kernel command line options follow that.
# updatedefault=true
# updatedefault=false
This option controls if grub should update the default entry to keep booting the same kernel even if a new one is installed.
The update-grub script can be ran automagically from the /etc/kernel-img.conf file by adding the following lines:
postinst_hook = update-grub
postrm_hook = update-grub
do_bootloader = no
For further information related to /etc/kernel-img.conf, see the manpage kernel-img.conf(5).
SEE ALSO grub(8), grub-install(8), kernel-img.conf(5) (contained in the kernel-package package), bootparam(7).
The full documentation for grub is maintained as a Texinfo manual in the grub-legacy-doc package. If the info and grub programs are prop-
erly installed at your site, the command
info grub
should give you access to the complete manual.
AUTHOR
This manual page was written by Jason Thomas <jason@debian.org>, for the Debian GNU/Linux system (but may be used by others).
Jason Thomas June 18, 2001 update-grub(8)