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I have been having some trouble trying to get some code working, so I was wondering...what system calls are required to execute a different program from an already running process?

I am practicing making my own functions in bash for an upcoming exam. For this example, I want to print out a message and maybe add two numbers. What I would do then is:


bash-3.2$ function...

I am trying to type a regular expression to find consecutive vowels in substrings, which is not that hard. I haven't done much work with REs, but I know the two components I need. I'm just not sure...

I'm new to UNIX and I am trying to figure out how to get started on this. I need to write a script, “replace” that will process three or more command-line arguments as <search string>, <replace...

So, I think this is a really stupid question, but I'd like to see if I am right.

If the following commands are entered:

umask 000
touch file1
umask111
touch file2

...nothing should...