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What three items can start a users rights line and what do they mean?
d, -, or l. A d indicates a directory, a dash (-) indicates a file, and an l indicates a link.
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What are the three file permissionas and their abbreviations?
(read, write, or execute).
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Command to change file permissions?
chmod (change mode)
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What are the three groups of people permissions can be made to?
Yourself, Group, and Other. u g o
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Add a permission for you to write (include the command)
chmod u+w filename
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remove a permission for you to read and write (include the command)
chmod u-rw filename
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View the rights for all the files in a directory
ls -l
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add permissions of read write execute to a cgi folder for you, the group and otherers
chmod guo+rwx cgi
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Numeric permissions are set in what order?
UGO (e.g. 432)
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Numeric values for read write execute
4 = Read, 2 = Write, 1 = eXecute
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What does this mean? 743
- 7 4+2+1 Read Write Execute for User
- 4 Read for group
- 3 Write and execute for others
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wild card for one letter
? as in ls a? will return everything that has a and another single character (am, a1, etc.)
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