The file that contains full and incremental back-up information for use with the dump/restore utility is <u>/etc/dumpdates.</u>
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<h3>What is dump/restore utility ?</h3>
Dump examines files in a filesystem, determines which ones need to be backed up, and copies those files to a specified disk, tape or other storage medium. Subsequent incremental backups can then be layered on top of the full backup.
The restore command performs the inverse function of dump; it can restore a full backup of a filesystem. Single files and directory subtrees may also be restored from full or partial backups in interactive mode.
Learn more about incremental backups
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#SPJ4
A already assigned variable cannot be assigned twice You can make the variable change over to a new one or call a whole new one to assign one without a value or It might be possible to do v=n (v is variable and n is number / value)
A good product should have copyright protection which prevents others from using the product without permission.
Some products specify the penalties which are given to a person who makes unauthorized copies of their product and this is done to clearly educate to avoid ignorance claims.
A good product should have clear lettering which are legible and can be easily read, and should also have reasonable copyright protection.
<h3>What is Copyright?</h3>
This refers to the licensing which is done for a product and is also legally backed which prevents a person from illegally using or redistributing the work of a creator without their explicit consent.
Read more about copyright infringement here:
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Answer:
Java Class given below
Explanation:
class ReadOnly
{
protected int val;
public ReadOnly(int arg)
{
val = arg;
}
public int getVal()
{
return val;
}
}
class ReadWrite extends ReadOnly
{
private boolean dirty;
public ReadWrite(int arg)
{
super(arg);
dirty = false;
}
public void setVal(int arg)
{
val = arg;
dirty = true;
}
public boolean isDirty()
{
return dirty;
}
}
