Use one line command to run compress directoies

I suppose that you don't mean:

for (( i=1; i<21; i++ )); do TarApp $i; done

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If TarApp is a shell script, then you could modify that to accept multiple arguments.  If it is the "tar" command, then it already accepts mutlitple arguments.  In either case, you can then say:

TarApp 1 2 3 4 5 6 7 8 9 010 11 12 13 14 15 16 17 18 19 20

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for t in $(find /home/ -type d -mindepth 1 -maxdepth 1); do tar -czf /path/to/archives/${t}.tar.gz ${t}/; done

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for t in $(find /home/ -type d -mindepth 1 -maxdepth 1); do TarApp ${t}/; done

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for t in $(seq 1 20); do TarApp ${t}; done

TarApp is a batch file.

#!/bin/bash
tar cvzf $1.tgz $1

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You need to get dirnames from command line?

Just change the script to

#!/bin/bash
for name in $*
do
  tar cvzf ${name}.tgz $name
done

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