8.3.txt

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Author:
ralowery
ID:
280534
Filename:
8.3.txt
Updated:
2014-08-12 17:13:13
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Description:
8.3
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    • author "me"
    • tags ""
    • folders ""
    • description ""
    • fileName "8.3"
    • what is an absolute pathname
    • provides an absolute pathname that uniquely identifies a file by using the complete, explicit pathname of the file beginning with the root (/) directory
  1. what is a relative pathname
    provides a pathname that uniquely identifies a file by using the current working directory as the starting point
  2. what characters can be used in linux file names
    • upper case A-Z
    • lower case a-z
    • digits 0-9
    • period .
    • underscores _
    • comas ,
  3. what character will file names of invisible (hidden) files begin with
    a period .
  4. what are the ways files can be categorized
    • dynamic files
    • static files
  5. directories can be created how
    • system created
    • user created
  6. what does a . (dot) directory mean
    is the link to the current working directory
  7. what is .. (dot dot) directory mean
    is the link to the parent directory of the current working directory
  8. what is the limit on characters in length in linux naming conventions
    255
  9. what identifier is used to indicate a ordinary file
    - (dash)
  10. what identifier is used to indicate a directory
    d (lower case D)
  11. what identifier is used to indicate a link
    l (lower case L)
  12. what identifier is used to indicate a special file
    c or b (lower case C or B)
  13. what color is used to indicate an executable file
    green
  14. what color is used ot indicate directory
    medium blue
  15. what color is used to indicate a symbolic link
    light blue
  16. what color is used to indicate a setUID
    white or red
  17. what contain the linux system commands and programs (also called binaries)
    /bin
  18. what contains special device files that correspond to hardware components
    /dev
  19. what contains configuration files for linux and other installed software
    /etc
  20. what contains the home directories (peronal storage) for each user on the system
    /home
  21. what contains more linux binaries (special utilities not for general users)
    /sbin
  22. what is the home directory fot the root user
    /root
  23. what contains system programs and other files for general users such as online help, and documentations
    /usr
  24. what command delplays information from the online reference manuasl one screen at a time
    man
  25. the output of a command can be sent to what
    • the display
    • a file
    • be used as input to another command
  26. input can be taken from where
    • the keyboard
    • a file
    • output from another command
  27. by default the standard input is what and the output is what
    • keyboard
    • monitor
  28. what symbol will create an output file if that file does not exist
    >
  29. what symbol will append (add to ) an existing file
    >>
  30. what symbol is used to redirect standard input
    <
  31. what symbol is used to redirect the output of one command to be used as input into a second command
    | (pipe)
  32. what command allows for th redirection of standard output to an output file while at the same time allowing the information to be used as input to another command or displayed ont he standard output
    tee
  33. what command displays the full path name of the current working directory
    pwd
  34. what command changes the current working directory to the directory specified
    cd
  35. what command list the contents of the current working directory or displays information about one or more files
    ls
  36. what command creates one or more directories
    mkdir
  37. what command deletes empty directories
    rmdir
  38. what command deletes one or more files ( or directories)
    rm

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