08-02-2006
I sincerely doubt that. And it would help you more if you did the exercises yourself anyway.
10 More Discussions You Might Find Interesting
1. UNIX for Dummies Questions & Answers
I have a few questions about Unix. Can you please help!
1.How do I create an alias that greps the password file for my username and returns my password file entry? Once I get the alias to work I want to be able to let a friend use it .So that he can use the alias to locate his password entry... (1 Reply)
Discussion started by: JJJ
1 Replies
2. UNIX for Advanced & Expert Users
Hello friends,
I am doing my first year Engineering. I am intrested in learning UNIX. Please let me know how to start and what classes I have to take privatly. I am in US. (5 Replies)
Discussion started by: bluespark_c99
5 Replies
3. UNIX for Advanced & Expert Users
Hi All,
I need to find out the completed transactions count which happened during a particular time duration from a log file. I'm a newbie with scripts and i'm unable to figure out how to get this task done with scripts. I have a transaction log file which has various lines indicating the... (1 Reply)
Discussion started by: haran_3k
1 Replies
4. Shell Programming and Scripting
Hi,
Can i get some help from any of you guyz on writing Unix script.
my requirement is like reading a csv file, finding a specific pattern in the lines and repalce the string with new string and write it to another file.
My file is file ABC123.dat
Col1,Col2,Col3
102628,AB10 0,21... (2 Replies)
Discussion started by: prashant_jsw
2 Replies
5. Shell Programming and Scripting
Hi,
I have multiple servers and each server hosts multiple databases. Now i have requirement as below
1) Create a file in any server which will hold all the database name.
2) Write a shell script that will read the file and connect to each and every database. and log out of it one by... (2 Replies)
Discussion started by: amritansur
2 Replies
6. Shell Programming and Scripting
Hi,
Solutions may be in ksh or bash
1. i have some files like.
CAT_CO00102_20100816190955.Z CAT_CO00102_20100816190955Q.Z CAT_CO00202_20100825135947A.Z
to find out files ends with A.Z or Q.Z i use following in ksh.
CAT="CAT*.Z"
ls $CAT
CAT_CO00102_20100816190955Q.Z ... (5 Replies)
Discussion started by: malikshahid85
5 Replies
7. Homework & Coursework Questions
#!/bin/sh
#Buddy Gibbons
#COP3353 - Assignment 4
#4/21/12
file=$1
directories=0
files=0
rfiles=0
xfiles=0
wfiles=0
if
then
echo "Usage: assignment4.sh <directory_name>"
exit
fi (1 Reply)
Discussion started by: tennistennis1
1 Replies
8. Homework & Coursework Questions
1 Petras Pavardenis 1980 5
08 Linas Bajoriunas 1970 10
3 Saulius Matikaitis 1982 2
5 Mindaugas Stulgis 1990 7
6 Rimas Nasickis 1964 10
7 ... (1 Reply)
Discussion started by: vaidastf
1 Replies
9. Shell Programming and Scripting
Hi,
I have 2 variables which is having like the below data
a=x.1 y.2 z.3 m.4
b=No (zero) rows read (0)~ No (zero) rows read (0)~ Complete: 273894 row(s)~ Complete: 729002 row(s)~
I need a file which should contain
x.1,No (zero) rows read (0)~
y.2,No (zero) rows read (0)~ ... (2 Replies)
Discussion started by: Ravindra Swan
2 Replies
10. Homework & Coursework Questions
The 'env' command prints out all of the environment variables and their values.
Come up with a command that prints a list of environment variables whose names
end with either 'NAME', 'DIR' or 'PATH'.
What I've tried.
$ env | grep ''
Although it highlights the part of the variables... (8 Replies)
Discussion started by: edujs7
8 Replies
dskx(8) System Manager's Manual dskx(8)
Name
dskx - generic disk exerciser
Syntax
/usr/field/dskx [ options ] -rdev
/usr/field/dskx [ options ] -pdevpart
/usr/field/dskx [ options ] -cdev
Description
The exerciser tests the disk drives on your system. The exerciser has three main options which include read only, write/read/validate data
on a partition, and write/read/validate data of a disk.
The exerciser does random seeks and reads of random block sizes and random seeks, writes, reads, and validations of random data patterns of
random block sizes. The exerciser will run until or kill -15 pid is sent to the process.
A logfile is made in for you to examine and then remove. If there are errors in the logfile, make sure you check the file, because that is
where the driver and kernel error messages are saved.
CAUTION: Both the -c and -p options of the exerciser destroy data on the disk. Use extreme caution before using them on any non-scratch
media. If you are unsure of what data is on the disk, contact your system manager before running with either of these options.
Arguments
One of the following function flags and arguments must be specified.
-rdev Performs a random read-only test on all partitions except the c partition. The dev argument can be a raw or buffered device name
and number. For example, rhp0, ra3, hk1.
-pdevpart Writes, reads, and validates data from the device name and number specified by dev and the partition specified by part. The dev
argument can be a raw or buffered device name and number. For example, rhp0, ra3, hk1. The part argument can be any valid par-
tition from a - h.
CAUTION: Be careful when exercising partitions that overlap other partitions, as you may inadvertently destroy data on a parti-
tion that you do not want to test. You can use the -q option of the command to see what partitions overlap on the device on your
system.
-cdev Writes, reads, and validates data from all partitions except the c partition on the device specified by dev. The dev argument
can be a raw or buffered device name and number. For example, rhp0, ra3, hk1.
Options
The options are:
-h Prints help message for the command.
-ofile Saves output diagnostics in file.
-tn Specifies the run time in minutes (n). The default is to run until the process receives a or kill -15 pid.
-dm Prints statistics every m minutes.
Restrictions
If there is a need to run a system exerciser over an NFS link or on a diskless system there are some restrictions. For exercisers that
need to write into a file system, such as the target file system must be writable by root. Also the directory, in which any of the exer-
cisers are executed, must be writable by root because temporary files are written into the current directory. These latter restrictions
are sometimes difficult to overcome because often NFS file systems are mounted in a way that prevents root from writing into them. Some of
the restrictions may be overcome by copying the exerciser to another directory and then executing it.
Examples
The following example exercises RA disk unit 1, for 60 minutes in the background:
% /usr/field/dskx -t60 -cra1 &
The following example exercises raw HP disk unit 0, partition d, until or kill -15 pid:
% /usr/field/dskx -prhp0d
See Also
Guide to System Exercisers
dskx(8)