In order to verify that two copies of a directory are equivalent there are different options: 1) diff – the easiest way diff -qr dir1 dir2 reports any differences in file contents in a similar way to md5sum. For more methods read on here:

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“There was a problem with the command for this terminal: Text was empty (or contained only whitespace)” Today I tried Gnome Conduit synchronizer and the result was f*up my gnome-terminal profile. If you get this error you have to close the error window and then click on

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In order to list hardware devices of you computer in a human readable format type: sudo lshw -html > ~/hardware_info.html && firefox ~/hardware_info.html

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There are filenames that are so weird that cannot be deleted by neither GNOME/KDE/etc. nor the rm shell command. This how to explains you different ways to cope with those files often dropped there simply by accident but sometimes actually being rootkits.

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These are two examples on how to write an interactive shell script, either with a YES/NO prompt and with a LIST among which the user has to choose.

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mirror from: http://www.tu-harburg.de/rzt/tuinfo/oberflaechen/linux/sfx.html How to build a self-extracting installation package for Microsoft Windows with your lovely GNU/Linux box — thanks to 7-zip! 7-Zip is free software distributed under the GNU LGPL.

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in order to ease work on the terminal shell linux enables you to set aliases of complex commands. this can be done in different ways – temporary alias pico=’pico -w’ or alias pico=”pico -w” – permanent editing $HOME/.bashrc or $HOME/.bash_aliases and write down the alias strings at the bottom ot the files – to show [...]

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concept: only 1 foreground program can be running on a shell terminal, however several can run in the background. Here’s how.

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this is how to use the find command to search for files on a time basis, i.e. to search for files more recent than a certain date or time create an empty file with an arbitrary date and time (which will correspond to t0 of our search) touch -t yyyymmddhhmm [filename] find -newer [filename] you [...]

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You may need to set a maximum disk quota per user, so that one user cannot fill up the whole system with his documents/garbage. A disk quota is a limit set by a system administrator that restricts certain aspects of file system usage on modern operating systems. There are two basic types of disk quotas. [...]

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