09-30-2008
Few Important doubts and questions..(Unix/Shell)
Hi All,
I have a few questions which I am unable to solve/answer.
Please help me with them:-
- Command in Unix to determine if a Host is connected to the internet ?
- If a parenet process is killed what happens to the child process?
- How do I print the first 10 lines of a file in the command line?
- How do I refer to arguments passed to a Shell Script?
- How do I search for a string in a directory with subdirectories recursed?
- How do I view the contents of a very large error file?
- What is the command to list files in a directory in decreasing order of file size?
- What is the shell command to find all the Java files in a nested directory structure?
- What is the difference between SLEEP and WAIT?
Thanks in advance for your help and time.
Regards,
Shubh.
10 More Discussions You Might Find Interesting
1. UNIX for Advanced & Expert Users
Hi,
I have a few doubt here :
1) I want to run a 3 different 'C' programs in same session simulteneously (parelelly). if I make a shell, it is running one after another, I mean it shout run in 3 processors.
2) In 'C' program, how can I assing a value of the unix commant
cat a.txt|wc... (1 Reply)
Discussion started by: krishna
1 Replies
2. Solaris
Hi,
Can anyone tell me the correct answers for these:
1. You have 4 instances running on the same UNIX box. How can you determine which shared memory and semaphores are associated with which instance?
2. How do you increase the OS limitation for open files (LINUX and/or Solaris)?
Thanks:p (1 Reply)
Discussion started by: dreams5617
1 Replies
3. UNIX for Dummies Questions & Answers
Hello All,
I am very new to UNIX. Please help me to find answers of below questions.
1.A script is saved with name ls. When we execute the script what it will execute?
a) Will execute ls command
b) Will execute the script
c) Will execute script or command depends on the path
... (2 Replies)
Discussion started by: aswathy
2 Replies
4. Forum Support Area for Unregistered Users & Account Problems
How to post a new thread (Regarding Unix related doubts) in Unix Forums.
I registered my id but I am unable to post my Questions to Forum.
Thanks & Regards,
indusri (1 Reply)
Discussion started by: indusri
1 Replies
5. UNIX for Dummies Questions & Answers
Write unix command to list or view auto links (0 Replies)
Discussion started by: ashishshah.engg
0 Replies
6. UNIX for Dummies Questions & Answers
Hi All,
1. how and who calls .profile when you login
2. what is PPID and what means by PPID = 0
Thanks in Advance (2 Replies)
Discussion started by: ravi.sadani19
2 Replies
7. Shell Programming and Scripting
Hi,
I have 3 doubts which I posted it here.
Doubt 1:
I have a file containing data:
22 -73 89 10
99 21 15 -77
23 63 -80 91
-22 65 28 97
I am trying to print the fields in the reverse order and replace every field by its absolute (positive) value
(ie.) I am looking for output:
10... (8 Replies)
Discussion started by: royalibrahim
8 Replies
8. Shell Programming and Scripting
Hello All,
I am working in a reputed software firm,currently working on testing platform (manual and automation).But I am very much intersted in unix and shell scripting,I feel that I am good at beginner level of shell scripting,still I want to practise shell scripting to become excel in it.I... (1 Reply)
Discussion started by: maheshglm
1 Replies
9. Solaris
i hav a file like this
-rwxr-xr-x 1 root controlm 4141 Nov 13 2006 /opt/scripts/prod/fvaauditlos.ksh
-rwxr-xr-x 1 root controlm 3958 Nov 13 2006 /opt/scripts/prod/fvaexpchbk1.ksh
-rwxr-xr-x 1 root controlm 6471 Nov 13 2006 /opt/scripts/prod/fvaexpchbk2.ksh... (24 Replies)
Discussion started by: p_satyambabu
24 Replies
10. Shell Programming and Scripting
Hello please kindly solve these doubts i have about the following scripts
Script 1
//Shell script that accepts arguments and prints them in reverse order//
echo "number of arguments"
len=$#;
while
do
eval echo \$$len
len=`expr $len - 1`
done
---------
Output
$sh test.sh a... (3 Replies)
Discussion started by: Shynash21
3 Replies
LEARN ABOUT DEBIAN
cpanplus::shell
CPANPLUS::Shell(3perl) Perl Programmers Reference Guide CPANPLUS::Shell(3perl)
NAME
CPANPLUS::Shell - base class for CPANPLUS shells
SYNOPSIS
use CPANPLUS::Shell; # load the shell indicated by your
# config -- defaults to
# CPANPLUS::Shell::Default
use CPANPLUS::Shell qw[Classic] # load CPANPLUS::Shell::Classic;
my $ui = CPANPLUS::Shell->new();
my $name = $ui->which; # Find out what shell you loaded
$ui->shell; # run the ui shell
DESCRIPTION
This module is the generic loading (and base class) for all "CPANPLUS" shells. Through this module you can load any installed "CPANPLUS"
shell.
Just about all the functionality is provided by the shell that you have loaded, and not by this class (which merely functions as a generic
loading class), so please consult the documentation of your shell of choice.
BUG REPORTS
Please report bugs or other issues to <bug-cpanplus@rt.cpan.org<gt>.
AUTHOR
This module by Jos Boumans <kane@cpan.org>.
COPYRIGHT
The CPAN++ interface (of which this module is a part of) is copyright (c) 2001 - 2007, Jos Boumans <kane@cpan.org>. All rights reserved.
This library is free software; you may redistribute and/or modify it under the same terms as Perl itself.
SEE ALSO
CPANPLUS::Shell::Default, CPANPLUS::Shell::Classic, cpanp
perl v5.14.2 2014-09-29 CPANPLUS::Shell(3perl)