8.4.txt

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Author:
ralowery
ID:
280755
Filename:
8.4.txt
Updated:
2014-08-17 13:00:31
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Description:
8.4
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    • author "me"
    • tags ""
    • folders ""
    • description ""
    • fileName "8.4"
    • what command creates an empty file when the file specified doesn't exist and also updates the time stamp
    • touch
  1. what command copies one or more ordinary files, including text, executable program files, and directories
    cp
  2. what command renames files or moves one or more files between directories
    mv
  3. what command determines file types and displays file type information
    file
  4. what command displays the contents of one or more text files on the terminal
    cat
  5. what command displays the contents of files one screen at a time
    more
  6. what command displays a select number of lines from the beginning of files
    head
  7. what command displays a select number of lines from the end of files
    tail
  8. what command clears the display screen of all data and re-displays the cursor at the top of the page
    clear
  9. what command displays who is logged into the system
    who
  10. what command displays the current user ID
    whoami
  11. what command creates a shell with the specified user ID
    su
  12. what command creates or changes a password associated with a user name
    passwd
  13. what command displays the current environment variables for the user or, if an environment variable is specified, sets it to a new value and displays the modified environment
    env
  14. what command displays the groups to which the specified user is a member
    groups
  15. what command displays information about the current user or another specified user
    id
  16. what command displays a list of recent logins
    last
  17. what command searches the directory hierarchy for files meeting specific criteria
    find
  18. what command searches one or more files, line by line, for a pattern of string of characters and displays the lines in which the pattern is found
    grep
  19. what command changes the ownership of one or more files to a new owner
    chown
  20. what command changes the group of one or more files to a new group
    chgrp
  21. what command changes access mode (permissions) of specified files
    chmod
  22. how are permission set when using the command chmod
    with binary number rwe rwe rwe
  23. what command is used to print the current date and time
    date
  24. what command searches the user's path for the specified command or program (executable) file and displays its absolute path name
    which
  25. what command displays status information about active processes
    ps
  26. what command provides information (frequently refreshed) about the most CPU-intensive processes currently running
    top
  27. what command terminates one or more processes based on PID by sending them kill signals
    kill
  28. what command reports how much free space, in terms of free blocks, is left on any mounted device or file system
    df
  29. what command script provides detailed hardware and software information of the NTCSS server
    system.verify
  30. what command arranges for the named files and associated infromation, called a "request," to be printed by a printer
    lp
  31. what command prints information about the current status of the LP printer system
    lpstat
  32. what command moves the contents of one print queue to another print queue
    lpmove
  33. what command is used to cancel pending print requests
    cancel
  34. what command is typically used at boot time to define the network address of each interface on a machine
    ifconfig
  35. what command displays information on active sockets, routing tables, interfaces, masquerade connections, or multicast memberships
    netstat
  36. what command displays hostname and TCP/IP related name information
    hostname
  37. what are the roles of vi editor
    • is the standard text editor included with the linux operating system
    • is used to create or modify files within the linux environment
  38. what are the modes of operations with vi editor
    • command
    • insert (input)
    • last line (command line)
  39. what mode are you in when vi is invoked
    command mode

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