08-13-2011
Unix Command Urgent Help!
Hi All,
i am new on this forum, can someone please answer the following questions as i am also new for UNIX, you help would be much appreciated:
1. How do you delete the full directory hierarchy?
2. How do you find out all process run by user Kamran ?
3. how would you extract something tar.gz file ?
4. How could you search a string in a file?
5. how could you return a line count from csv file ?
6. Given a csv file with Colum c1 to c5, how could you return only c1, c2 and c5?
7. How can you show the delta between two text files?
8. how can you display non printing character in a text file?
9. How would you create a symbolic link?
10. how would you list row between 100 and 120 of large logerroe.log file?
11. How would you list the contains of directory includes all of its sub directories, providing full details and sorted by modification time?
12. how could you do find replace from command line ?
13. How could you run a script on scheduled time
14. someone spread several copies of binaries throughout the system, several of them possible in your path, how would you know which binaries you are using when calling from command line ?
15. how would you setup the value of environment variable to output of a command
if someone can help me for the answers it would be really great help, as i need the answer asap.
Many thanks
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LEARN ABOUT DEBIAN
osd_cat
XOSD(1) General Commands Manual XOSD(1)
NAME
osd_cat - X on-screen file displayer
SYNOPSIS
osd_cat [OPTION] [FILE]...
osd_cat -b percentage|slider [OPTION]
DESCRIPTION
Display FILE, or standard input, on X screen.
-p, --pos=POS
This option tells osd_cat where to display the text. POS can be top, middle, or bottom. The default is top.
-o, --offset=OFFSET
This option specifies the offset from the top or bottom of screen the text is displayed. The default is 0.
-A, --align=ALIGN
This option tells osd_cat where to display the text. ALIGN can be left, right or center. The default is left.
-i, --indent=OFFSET
This option specifies the INDENT from the left of screen the text is displayed. The default is 0.
-f, --font=FONT
This option specifies the FONT to be used for displaying the text. The default is fixed.
-c, --color=COLOR
This option specifies the COLOR to be used for displaying the text. The default is red.
-d, --delay=TIME
This option specifies the number of seconds the text is displayed. The default is 5 seconds.
-l, --lines=LINES
This option specifies the number of LINES to scroll the display over. The default is 5.
-s, --shadow=OFFSET
This option specifies the OFFSET of the text shadow. The default is 0, which means no text shadow is created.
-S, --shadowcolour=COLOUR
This option specifies the COLOUR of the text shadow. The default is black.
-O, --outline=WIDTH
This option specifies the WIDTH of the text outline. The default is 0, which is no outline.
-u, --outlinecolour=COLOUR
This option specifies the COLOUR of the text outline. The default is black.
-a, --age[=SCROLL_AGE]
This option affects screen redrawing. If SCROLL_AGE seconds pass before a new line is ready (for example, you're reading from a
pipe), all lines are cleared at once instead of being scrolled off as new lines replace old lines. The default is 0.
When no SCROLL_AGE is explicitly given, the current value from DELAY is used.
-w, --wait
This option also affects screen redrawing. When there is data ready to be put on screen, this option will cause osd_cat to wait
until the display is clear. An alternative to scrolling.
-b, --barmode=TYPE
Lets you display a percentage or slider bar instead of just text. TYPE may be percentage or slider. In this mode no text is read
from any file, but the following options can be used:
-P, --percentage=PERCENTAGE
This option specified the position of the percentage / slider bar. PERCENTAGE may be in the range from 0 to 100, the default is 50.
-T, --text=TEXT
This option specifies an optional TEXT which gets displayed above the percentage bar. The default is empty, so no additional text
is displayed.
-h, --help
display help (which is often more up to date) and exit
With no FILE, or when FILE is -, read standard input.
AUTHOR
Martijn van de Streek <martijn@foodfight.org>, Some patching done by Malcolm Valentine <farkit@iprimus.com.au> and Tim Wright
<tim@ignavus.net>.
xosd was written by Andre Renaud <andre@ignavus.net> and is maintained by Tim Wright <tim@ignavus.net>
SEE ALSO
More information on the X OSD Library and its author can be found on http://www.ignavus.net/software.html
<http://www.ignavus.net/software.html>
COPYRIGHT
It is distributed under the GNU General Public License.
X OSD cat January 2001 XOSD(1)