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When your script is run from cron, it has nothing to read ENTER from -- no terminal. When the utility tries to read, it will get EOF or some sort of error, and probably quit. A badly-coded program...

It is likely being printed to standard error, file descriptor 2. You are capturing stdout only, FD 1, but you can capture both (preferably to separate logfiles).

You can simplify the script by...

a) This does not look like a AIX specific problem; moving the post.
b) The forum has a search function and cron job problems are being asked about so often here, you might find easy an answer. Also...

If the login is failing because you need a passwordless login by a script, and the script is failing - it is probably because the ADMCHG flag is still set.

Note: passwordless is not recommended....

I have absolutely no experience with AIX, but a post that I read in another thread may be relevant: from AIX & TAR related stuff (https://www.unix.com/302772134-post4.html) , specifically the...

If it is just to archive files and directories on AIX - consider the backup file format (bff) and the backupbyname option of backup.

I try to stay away from tar for a couple of reasons (does not...

blocks (forces the script to ignore) singals numbered 1 2 or 3.

To see what that is

kill -l


That is a lowercase - ell

try grep -n "\.s" textfile

When I use cron I've found that it is almost always necessary to fully qualify executables. So you might try putting the path in front of the date command.

Also, you might try using single quotes...

Backticks mean you want your shell execute the command, but clearly shell is not there to do this when crontab job is executed. I would leave detailed explanation to someone more competent; but I can...

'man crontab' yields:

Only the first line (up to a `%' or end of line) of the com-
mand field is executed by the shell. Other lines are made
available to the command as...

You'll have to use backticks:
./script.sh > `date +"%Y%m%d"`

Hi

Just cut and paste the script into a new file using vi or any other editor.

For example my_script

Then change the right so you can execute this file :

$ chmod +x my_file
And now you...

1. open a file in an editor: script.sh
2. place your commands there.
if you are going to run it in cron (scheduler) put these lines at the top of the file

#!/bin/bash ...