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This will work only if the setting is left-aligned, which is usually the case, but not necessarily so. Furthermore you are replacing the whole line which would delete comments within the same line,...

I was told by JimMcNamara that my reply was too harsh.

Well, it was meant as a factual statement: i would for sure remove any shell access of such a user save for the sandbox, but the bank i work...

When you don't even know how to write a correct path you shouldn't be allowed to have a shell login, save for the sandbox to learn. When you ask your systems administrator how to do it tell him to...

Here is something you obviously haven't known yet: DESCRIBE YOUR PROBLEM concisely first before you expect sensible answers: which OS? which "I/O problem"? Is it network I/O, disk I/O, serial I/O or...

Bottom line is you can't prevent root from either doing something on a system or at least acquire the means to do it (as with chattr and similar mechanisms) and do it then. This is necessary because...

1) use remote procedure calls: you will have to write a program, it will be insecure and, frankly, i wouldn't want it in my data center, but it avoids ssh.


2) use telnet (or is this too similar...

It is quite simple: you need a (recursive) parser for this, the same way the language is interpreted (i suppose?) by one. I suggest to retrieve your yacc utility and start writing...


If you are...

This:




Is often seen but still wrong and it won't work as expected. A file glob returns a list of files (or the glob itself if no file of that pattern exists).You can't use it as input to a...

You may want to first disentangle this kludge of a script before you start to add functionality. I don't know your monitor but i am quite sure the echo-lines are not fitting onto it.On my terminal it...

Using external programs (such as cut, *grep,sed,awk or others) are a dire waste of precious resources as well as processes.







It is not clear what the two revs should accomplish, except...