From the course: CompTIA Security+ (SY0-601) Cert Prep: 7 Endpoint Security Design and Implementation

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File manipulation

File manipulation

From the course: CompTIA Security+ (SY0-601) Cert Prep: 7 Endpoint Security Design and Implementation

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File manipulation

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- [Instructor] Linux provides a series of file manipulation commands that allow us to work more easily with files. The first of these is the cat command that shows the contents of a file. Here I am on a Linux server and I'm going to use these file manipulation commands to take a look at the log file stored in var log messages. So I'm just going to type the cat command to display the entire file and then /var/log/messages. When I do this, the system displays the entire log file on the screen. Now we often don't want to simply dump all of the contents of a file onto the screen, it's just too much to look at. The head command allows us to look at the first few lines of a file while the tail command allows us to look at the last few lines. Let's give those commands a try with that same var log messages file. The first thing I'm going to do is type head var log messages. By default, Linux then shows me the first 10…

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