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List just the executable files (or directories) in current directory
Does an 'ls' on just the files and directories in the current directory with an execute bit turned on. This version will list directories. Just tack on "-type f" to the start of the find to omit listing directories and list only files.

Find the package that installed a command

Rename files in batch

Convert CSV to JSON
Replace 'csv_file.csv' with your filename.

cpu and memory usage top 10 under Linux
It's like `prstat -t` under Solaris

Find UTF-8 text files misinterpreted as ISO 8859-1 due to Byte Order Mark (BOM) of the Unicode Standard.
Character: "?" is the Byte Order Mark (BOM) of the Unicode Standard. Specifically it is the hex bytes EF BB BF, which form the UTF-8 representation of the BOM, misinterpreted as ISO 8859/1 text instead of UTF-8.

Connect to google talk through ssh by setting your IM client to use the localhost 5432 port
If your firewall or proxy at your location prevents connection to a particular host or port, you can use ssh to tunnel to your home server and do it there instead.

check open ports without netstat or lsof

copy partition table from /dev/sda to /dev/sdb

Have a smile
Outputs utf-8 smileys


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