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I am confused now. Did you read http://oletange.blogspot.dk/2013/04/why-not-install-gnu-parallel.html? And did you understand that you do *not* need admins to install GNU Parallel as long as you are...

If you are allowed to run your own perl script you are allowed to run GNU Parallel.

See: _: Excuses for not installing GNU Parallel...

Install GNU Parallel and do this:

$ foo() { echo $*; }

$ export fun="`typeset -f`"; parallel 'eval "$fun";'foo ::: works
works

$ export...

So you want this line:

ACYPI002690-PA.aa.afa.afa.trim_phyml_tree_fullnames_fullhomolog.txt 3 72 71

to run this command:

cat...

sudo parallel /usr/openv/netbackup/bin/admincmd/bpimagelist -U -client {1} -d {2} -e 03/04/2013 :::: clients.file dates.file | awk '{print $1}' | sed '1,2d' >> /tmp/dates.tmp

If you have GNU Parallel installed:

find . -maxdepth 1 | parallel du -hs {} | parallel --colsep '\s+' echo {2} [{1}]
You can install GNU Parallel simply by:

wget...

If you have GNU Parallel GNU Parallel - GNU Project - Free Software Foundation (http://www.gnu.org/software/parallel/) installed you can do this:
parallel '{} >{.}.out' ::: sample*.shor:
seq 4 |...

For best performance it is important that the data is not written back to disk. So it is a goal to get everything done in RAM.

cat testfile | parallel --pipe --block 10M 'sort | uniq -c' | perl...

Are the processes starved from disk I/O? I.e. is your disk seeking all the time?

If you want more control over your processes in parallel consider using GNU Parallel to start similar processes in...

To do it in parallel install GNU Parallel:
find . -type f -name "execute_command.sh" | parallel
Watch the intro video to learn more: Part 1: GNU Parallel script processing and execution - YouTube...

If you install GNU Parallel you should be able to do:
parallel -j0 connectdb.sh {} {}.txt ::: db1 db2 db3
Watch the intro video to learn more: Part 1: GNU Parallel script processing and execution -...

Your example is in C. If that is not a requirement, have a look at GNU Parallel which is made for running programs in parallel without having the output mix.

Watch the intro video: Part 1: GNU...

If you cannot accept that a few lines will be mixed together then you need to avoid race conditions like:
mkfifo fifo
(echo program1_line1; sleep 2; echo program1_line2) >fifo &
(echo...

This is probably what you are looking for:

parallel -j0 mv {} {.} ::: *.xml.dat
parallel -j0 echo {} -\\\> {.}\;mv {} {.} ::: *.xml.dat

GNU Parallel makes it often easy to generate command lines:
parallel "echo {}; cut -f5 {} | sort -k1.3n | uniq | wc -l" ::: *.rod
It will also run the jobs in parallel. If you jobs are...

Consider using GNU Parallel instead:
find . -name '33_cr*.rod' | parallel "echo -n {}': '; cut -f5 {} | sort -k1.3n | uniq | wc -l"Watch the intro video to learn more: youtube....

It is easy if you have GNU Parallel installed:

find . -name "*.me" | parallel mv {} {.}

find /myfolder/*.dat -mtime +60 | xargs rm

Using xargs like that is dangerous. See why xargs - Wikipedia, the free encyclopedia (http://en.wikipedia.org/wiki/Xargs#The_separator_problem)

If you...

GNU Parallel (http://www.gnu.org/software/parallel/) is your friend:

cat syslogs | nawk '/From/ { print $3 }' | uniq | parallel "grep {} syslogs >> {}"

This even does the grepping in parallel,...