Here is a quick tip, if you wish to perform an unattended download of large files such as Linux DVD ISO file use the wget command as follows:
wget -bqc http://path.com/url.iso
=> -b : Go to background immediately after startup. If no output file is specified via the -o, output is redirected to wget-log.
=> -q : Turn off Wget’s output aka save disk space.
=> -c : Resume broken download i.e. continue getting a partially-downloaded file. This is useful when you want to finish up a download started by a previous instance of Wget, or by another program.
This tip will save your time while downloading large ISO file from the Internets.
You can also use the nohup command to execute commands after you exit from a shell prompt:
$ nohup wget http://domain.com/dvd.iso &
You can also use the screen command which is a full-screen window manager that multiplexes a physical terminal between several processes (typically interactive shells).
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