8.4.txt

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Author:
ralowery
ID:
280591
Filename:
8.4.txt
Updated:
2014-08-13 18:27:45
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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

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