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Editing Files using a Shell Script

One of my favorite Unix commands is the lesser known ed command. Here's an example how I used ed to edit files through a shell script.The following example shows how to replace a string and save the file. Example : ed <

LUN scanning mechanisms

Linux provides multiple mechanisms to rescan the SCSI bus and recognize SCSI devices exposed to the system. In the 2.4 kernel solutions, these mechanisms were generally disruptive to the I/O since the dynamic LUN scanning mechanisms were not consistent. With the 2.6 kernel, significant improvements have been made and dynamic…

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