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15 Cards in this Set
- Front
- Back
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Partitions
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divides a hard disk into sections, each of which can contain a separate file system used to store data. 4 is the max by default, but can add more by making a primary partition as an extended partition that can then contain an unlimited number of smaller partitions called logical drives. primary partions are labled sda1, sda2 n so on |
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file system |
specifies how data should reside on the hard disk. |
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master boot record
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all partition information for a certain hard disk or SSD is stored in the first readable sector outside all partitions
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Virtual memory / swap space |
consists of an area on the hard disk that can be used to store information that would normally reside in physical memory (RAM) if the physical memorywas being used excessively. information is continuously swapped from physical memory to virtual memory, and vice versa. |
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journaling |
keeps track of the information written to the hard disk. |
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boot loader
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contains the Linux kernel and boot files.
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terminal
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The channel that allows a certain user to log in.
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shell
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a user interface which then accepts input from the user and passes this input to the kernel for processing.
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GUI
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graphical user interface
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Commands
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indicate the name of the program to execute and are case sensitive. -Commands, options, and arguments are case sensitive; an uppercase letter (A), for instance, is treated differently than a lowercase letter (a). -Always put a space between the command name, options, and arguments; otherwise, the shell does not understand that they areseparate, and your command might not work as expected. |
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command options
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specific letters that start with a dash “-” and appear after the command name to alter the way the command works.
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command arguments
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appear after the command name, yet they do not start with a dash. They specify the specific parameters that tailor the command to your particular needs.
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shell meta characters
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keyboard characters that have special meaning. One of the most commonly used is the $ character, which tells the shell that the following text refers to a variable. A variable is simply apiece of information that is stored in memory. (PG 93 IN DRAW BOARD)
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way to get help in linux
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Simply type the man command followed by a command name, and extensive information about that Linux command is displayed page-by-page on the terminal screen. |
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shutting down linux
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shutdown (–H +4) halts system for 4 min shutdown (−r +4) reboots sys in 4min halt or shutdown −H now = haults ur sys now reboot or shutdown −r now = reboots ur sys now shutdown -c = cancel schedual shutdown power off = halts + power down now |
