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Old 09-12-2011, 04:46 PM   #1
Trouble31
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Unhappy Need a simple question answered


I can't get my Linux disk working, what information is listed for ls under name for "ls --help"
 
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Old 09-12-2011, 04:52 PM   #2
TB0ne
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Quote:
Originally Posted by Trouble31 View Post
I can't get my Linux disk working, what information is listed for ls under name for "ls --help"
Sorry, no idea what you're asking here. Do you mean your system won't boot?

If you type in "ls --help" at a prompt, you'll get the options for the command, in a shorter format than typing in "man ls".
 
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Old 09-12-2011, 04:58 PM   #3
Trouble31
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I should have explained a little better. I am on a Windows system and have a disk to boot to to run Linux. The boot disk is not working so I can't answer a homework question.

The first question was "Type the command you would use to access help on the ls command at the prompt?"

They then asked "What command did you use?" to which I answered "ls --help"

Then they ask The question is "What information is listed for ls under Name? "

I can't answer it because I can't get Linux running. If you would rather tell me how I can get Linux running I would be more than happy to find the answer myself but figured it would be easier on people to answer the simple question rather than holding my hand through the software/disk problem.
 
Old 09-12-2011, 06:02 PM   #4
schneidz
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did you change boot priority in bios ?

(each manufacturer and model has a different method of entering bios when a pc starts up.).
 
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Old 09-12-2011, 06:09 PM   #5
Trouble31
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Question

Yes I get a screen that says KNOPPIX 5.1 at the top and a message saying to hit "Enter" to start Linux. After hitting Enter it scans my USB drives then gives me an error -

"Can't find KNOPPIX filesystem, sorry.
Dropping you to a (very limited) shell.
Press reset button to quit."

Additional builtin commands available:
cat mount umount
insmod rnmod lsmod

knoppix#
 
Old 09-12-2011, 06:51 PM   #6
cheddarcheese
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This is far from a perfect solution, but until you get your system bootable, you may find the following site useful for some of your "man pages" questions. (the domain name kind of explains itself):

http://linuxmanpages.com/
 
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Old 09-12-2011, 06:55 PM   #7
TB0ne
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Quote:
Originally Posted by Trouble31 View Post
Yes I get a screen that says KNOPPIX 5.1 at the top and a message saying to hit "Enter" to start Linux. After hitting Enter it scans my USB drives then gives me an error -

"Can't find KNOPPIX filesystem, sorry.
Dropping you to a (very limited) shell.
Press reset button to quit."

Additional builtin commands available:
cat mount umount
insmod rnmod lsmod

knoppix#
Ahh..that makes more sense. And while your answer is correct, I think a better answer is "man ls", to get a complete version of the options you can use for most any Linux command. The man pages for ls can be found easily online:
http://linux.die.net/man/1/ls

Consider downloading a 'live' distro of Ubuntu, which will run totally off your optical drive. The base of Linux is pretty much the same for any distro...the differences come in to play with things like systems administration tools, etc.

Since you've put in the work, and are stuck, the output for the "ls --help" command is here:
Code:
Usage: ls [OPTION]... [FILE]...
List information about the FILEs (the current directory by default).
Sort entries alphabetically if none of -cftuvSUX nor --sort.

Mandatory arguments to long options are mandatory for short options too.
  -a, --all                  do not ignore entries starting with .
  -A, --almost-all           do not list implied . and ..
      --author               with -l, print the author of each file
  -b, --escape               print C-style escapes for nongraphic characters
      --block-size=SIZE      scale sizes by SIZE before printing them.  E.g.,
                               `--block-size=M' prints sizes in units of
                               1,048,576 bytes.  See SIZE format below.
  -B, --ignore-backups       do not list implied entries ending with ~
  -c                         with -lt: sort by, and show, ctime (time of last
                               modification of file status information)
                               with -l: show ctime and sort by name
                               otherwise: sort by ctime
  -C                         list entries by columns
      --color[=WHEN]         colorize the output.  WHEN defaults to `always'
                               or can be `never' or `auto'.  More info below
  -d, --directory            list directory entries instead of contents,
                               and do not dereference symbolic links
  -D, --dired                generate output designed for Emacs' dired mode
  -f                         do not sort, enable -aU, disable -ls --color
  -F, --classify             append indicator (one of */=>@|) to entries
      --file-type            likewise, except do not append `*'                                                                                                                   
      --format=WORD          across -x, commas -m, horizontal -x, long -l,                                                                                                        
                               single-column -1, verbose -l, vertical -C                                                                                                          
      --full-time            like -l --time-style=full-iso                                                                                                                        
  -g                         like -l, but do not list owner                                                                                                                       
      --group-directories-first                                                                                                                                                   
                             group directories before files.
                               augment with a --sort option, but any
                               use of --sort=none (-U) disables grouping
  -G, --no-group             in a long listing, don't print group names
  -h, --human-readable       with -l, print sizes in human readable format
                               (e.g., 1K 234M 2G)
      --si                   likewise, but use powers of 1000 not 1024
  -H, --dereference-command-line
                             follow symbolic links listed on the command line
      --dereference-command-line-symlink-to-dir
                             follow each command line symbolic link
                             that points to a directory
      --hide=PATTERN         do not list implied entries matching shell PATTERN
                               (overridden by -a or -A)
      --indicator-style=WORD  append indicator with style WORD to entry names:
                               none (default), slash (-p),
                               file-type (--file-type), classify (-F)
  -i, --inode                print the index number of each file
  -I, --ignore=PATTERN       do not list implied entries matching shell PATTERN
  -k                         like --block-size=1K
  -l                         use a long listing format
  -L, --dereference          when showing file information for a symbolic
                               link, show information for the file the link
                               references rather than for the link itself
  -m                         fill width with a comma separated list of entries
  -n, --numeric-uid-gid      like -l, but list numeric user and group IDs
  -N, --literal              print raw entry names (don't treat e.g. control
                               characters specially)
  -o                         like -l, but do not list group information
  -p, --indicator-style=slash
                             append / indicator to directories
  -q, --hide-control-chars   print ? instead of non graphic characters
      --show-control-chars   show non graphic characters as-is (default
                             unless program is `ls' and output is a terminal)
  -Q, --quote-name           enclose entry names in double quotes
      --quoting-style=WORD   use quoting style WORD for entry names:
                               literal, locale, shell, shell-always, c, escape
  -r, --reverse              reverse order while sorting
  -R, --recursive            list subdirectories recursively
  -s, --size                 print the allocated size of each file, in blocks
  -S                         sort by file size
      --sort=WORD            sort by WORD instead of name: none -U,
                             extension -X, size -S, time -t, version -v
      --time=WORD            with -l, show time as WORD instead of modification
                             time: atime -u, access -u, use -u, ctime -c,
                             or status -c; use specified time as sort key
                             if --sort=time
      --time-style=STYLE     with -l, show times using style STYLE:
                             full-iso, long-iso, iso, locale, +FORMAT.
                             FORMAT is interpreted like `date'; if FORMAT is
                             FORMAT1<newline>FORMAT2, FORMAT1 applies to
                             non-recent files and FORMAT2 to recent files;
                             if STYLE is prefixed with `posix-', STYLE
                             takes effect only outside the POSIX locale
  -t                         sort by modification time
  -T, --tabsize=COLS         assume tab stops at each COLS instead of 8
  -u                         with -lt: sort by, and show, access time
                               with -l: show access time and sort by name
                               otherwise: sort by access time
  -U                         do not sort; list entries in directory order
  -v                         natural sort of (version) numbers within text
  -w, --width=COLS           assume screen width instead of current value
  -x                         list entries by lines instead of by columns
  -X                         sort alphabetically by entry extension
  -Z, --context              print any SELinux security context of each file
  -1                         list one file per line
      --help     display this help and exit
      --version  output version information and exit

SIZE may be (or may be an integer optionally followed by) one of following:
KB 1000, K 1024, MB 1000*1000, M 1024*1024, and so on for G, T, P, E, Z, Y.

Using color to distinguish file types is disabled both by default and
with --color=never.  With --color=auto, ls emits color codes only when
standard output is connected to a terminal.  The LS_COLORS environment
variable can change the settings.  Use the dircolors command to set it.

Exit status:
 0  if OK,
 1  if minor problems (e.g., cannot access subdirectory),
 2  if serious trouble (e.g., cannot access command-line argument).

Report ls bugs to bug-coreutils@gnu.org
GNU coreutils home page: <http://www.gnu.org/software/coreutils/>
General help using GNU software: <http://www.gnu.org/gethelp/>
For complete documentation, run: info coreutils 'ls invocation'
 
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Old 09-12-2011, 08:12 PM   #8
Trouble31
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I will try to DL the 'live' distro of Ubuntu. It looks like I actually want the "man ls" anyway.
 
Old 09-12-2011, 08:43 PM   #9
frankbell
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You might want to take a look at Wubi. It installs Ubuntu under Windows, sort of a Ubuntu VM without your having to set up a your own virtualization.

Another alternative would be VirtualBox; it comes in a Windows flavor. With it, you could run various Linux distros in Virtual Machines under Windows.

I haven't used Wubi, but I know that Windows VB works fine. I have scads of HDD space on my Windows box, so I use it for--what else?--distro-hopping Linux distros (a better use of Windows I cannot imagine).
 
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