Linux

  1. what is /bin, /boot/, /dev, /etc, /home
    • bin :- contains binaries or executables
    • boot :- contains files needed by the bootstrap loader; contains the kernel images
    • dev:- reference system devices ( access system devices and resources such as hard disks, mice, printers, consoles, modems)
    • etc:- contains configuration files that the system uses when the computer starts
    • home:- on home partition- used to offer disk space to users.
  2. what is date, cal, who, clear, man, whatis, ls
    • date - displays the system time and date
    • cal - generates a calendar for the current year or for a year specified by the user
    • who - provides a listing of those logged in to the operating system
    • clear - clears the terminal screen, display, or terminal window
    • man - shows information from the online documentation
    • ls - list to display directory contents, -l view, -S to sort by size, -X by extensions, -r in reverse order, -t to sort by time, -a to show hidden files, -i to view the inode
  3. wildcard - a special character that can stand for any other character or , in some cases, a group of character. (*)
  4. what is the sign of the home directory
    what is the command to make sure what shell your are in
    chmod permission
    • ~
    • echo $SHELL
    • chmod +0 is no permissions, 1 is execute, 2 is write, 3 is write and execute, 4 is read, 5 is read and execute, 7 is read, write and execute.
  5. how to connect to a Unix System
    • Through a telnet or ssh connection
    • through a client software on a unix/Linux server/server network
    • as a peer on a peer-to-peer, local area network in which each comptuer has the Unix/Linux operating system isntalled.
    • on a stand-alone pc that has the Unix/Linux operating system installed
    • through a dumb terminal connected to a communications port on a unix/linux host
  6. virtual memory
    swap accomplishes this by providing swap space on a disk and treating it like an extension of memory. called a swap because the system can use it to swap information between disk and Ram
  7. Device Special Files
    devices are managed through the use of these files
Author
civuk
ID
7292
Card Set
Linux
Description
linux review
Updated