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    Question Question What is the unix command used for giving or changing the permissions for
    files and folders?
    Answer Answer chmod command is used to change file permissionsyntax : chmod category operation permission filenamewhere category may be u = user ,g = group,o = others,a = alloperation may be '+' = assign permission,'-' = remove permission,'=' = exact permissionpermission may be r=read,w=write,x=executeEg: $chmod a+x file1 (give execute permission of file1 to all)



    chmod 777 is used to give all permissions to individual, group and everyone. The first 7 is for individual, 2nd for group and 3rd for everyone. read - 4 write - 2 execute - 1 sum of the digits is used to give permission.

    Answered By: nidhi    Date: 1/30/2008

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