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The Thompson goto command was bizarre because it was not a shell built-in. It was actually an external command. Decisions like this were made to get the thing to run in a 16 bit machine.

First...

I would turn MATRICE into an array with one character per array element. Then you just pick a random index into the array. This will work with all versions of ksh and it will be very fast.

Things are changing all the time. If you run prstat then you run ps you get two differtent snapshots of memory. Even if you run them more or less simultaneously they will not examine the processes...

The "let" command originated in ksh. Dave Korn considered it to be a mistake and very quickly developed the double parentheses notation to replace it. By the mid 1980's the advice was to not use...

Actually, I think that the OP wants to alter /etc/fstab via a shell script to make this change permanent. I had to make a similar change because our security auditors requested it. In my case i had...

The formula to compute the distance between a pair of latitude-longitude coordinates is actually rather complex. A simplified version is on this page...

Try this: in modprobe.d create a new file called 8021q. In it, put the lines:
install 8021q /bin/true
install garp /bin/true


This tells the kernel to use non-standard versions of 8021q and...

Suppose it did that. There are still errors you can make that render sudo usuable like "chmod 0 /usr/bin/sudo". As a sysadmin you need to be ready for that and be able to operate when sudo fails....

Well, see this thread (https://www.unix.com/tips-and-tutorials/36711-whole-story-usr-bin-ksh.html) especially "Part 2 The Format of the #! Line"

The fear is that the misconfiguration may has have inadvertently given someone elevated privileges that they should not have. Suppose that happened, and some user, say joeblow, got root authority...

You are going about this all wrong. Give everyone his own account. On each system, create an admin group. Give the admin group root power via sudo by adding a line to sudoers like this:
...

Depends on the shell.. ;)
$
$ cat kshlooptest
#! /bin/ksh
LAST="nothing"
find /etc -name 'w*' 2> /dev/null | while IFS="" read name ; do
LAST=$name
done
echo outside of while loop...

I'm not sure what thes files look like. But if they are sorted on the id field it sounds like this is just what the "join" command does. Here is a sample run:
$
$
$ cat file1
8 user 092...

Then maybe you have a shell that behaves like ksh. Here is a test...

$ exec ksh
$ echo ~testgut
/home/testgut
$ getent passwd testgut
testgut:x:13128:13128::/home/testgut:/bin/bash
$ sudo...

Nobody remembers my datecalc script. :(

Well, datecalc provides the primatives needed to handle any date calculation. To find the first Sunday...

#! /bin/ksh
alias datecalc=./datecalc...

I just restart nscd if I can't wait. BTW recent redhat uses sssd instead.

My guess is that the windows system is running ftp rather than sftp. I would try connecting to the windows system with an ftp client to test this theory.

See this thread (https://www.unix.com/unix-for-advanced-and-expert-users/243903-dot-sourcing-differences-ksh-aix-vs-linux-vs-solaris.html)

I do this all the time. I cut this data from your post:BATCHID STARTDATE FINDATE
----------- -------------------------- --------------------------
2000001 2014-08-06-02.37.35.786000 -
2000002...

I don't have experience with an IPTABLES configuration that is complex enough to test this. However I can read. It says here "ACCEPT target This built-in target discontinues processing of the...

I would not cat the new certificate onto the end of the old certificate. I would rename the old certificate to a save file. Then I would just move the new certificate in place.

In the first case, Verisign has given a certificate to SomeSmallerCA. If you trust Verisign, you can be sure that you are talking to SomeSmallerCA. This does not mean that Verisign assures you that...

I am not really familiar with modern fortran. But is not g++ a compiler for the C++ language? Maybe you should try a fortran compiler? To test my guess I wrote a little "hello world" program in...

IMHO, the best book ever written on the subject is: C Programmer's Guide to Serial Communications (http://www.amazon.com/C-Programmers-Guide-Serial-Communications/dp/0672302861/)

ksh does indeed have a special way to deal with child scripts that have no #! leading line. This introduces a number of special features that expands the traditional unix environment. These...