Unix Notes

There is additional material available in the QNX section of my web site. It's obviously focussed on QNX, but some of it is applicable to *nix.

Selecting Columns

Don't use ls -l | cut -f3 -d" " because this will be confused by multiple spaces between fields. The correct solution is ls -l | awk '{print $3}'

Running Configure

If configure is failing to find files or applications that you know are installed in the right place, check to see if there is a config.cache file. If so, try deleting it (or renaming it, if you want to be on the safe side). Configure may be getting the wrong file location values from this file; deleting it will force it to search fully.

Running Commands on Files found by Find

To do

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Content last updated: 2005-06-17