Ubuntu – How to find the runlevel of the processes of /etc/init.d

I haven't seen an answer that comes near the wishes of Chaitanya. If you want to search on filename, a combination of locate, find, ls and grep could be sufficient. But I think Chaitanya want to search for example for 'all files created before 2011'. This can perfectly done with find, but I can imagine it will take a long time searching through 1TB (depends more on the amount of files, not necessarily the total size). To speed this up I think indexing is inevitable. The problem of locate (indexing with updatedb) is that it doesn't index creation time.

So what Chaitanya need is something that indexes the needed attributes of files (file name, file size, creation date, more?). And later something that can search on these attributes. As far as I know there is no out-of-the-box solution for this on Ubuntu.

An important comment of Chaitanya: "Now the thing is that I am designing a php based web gui...". Because your problem sounds quite specific, maybe you want to build somehting yourself. Some suggestions:

• Index the files in a database (with cronjob) and use SQL to search.

• Use Lucene to index and search (Zend Lucene for PHP)

This should do what you want:

find . -perm -u+x -type f  

If you want to find everything that could possibly be executable, you could look at mime-types or file output. That would be counter-productive though since you couldn't possibly catch every script.

References:
The man page
Stackoverflow