Answer:
backup() {
read dirname;
if [[ whereis . /`$dirname` 2> sterr.exe]]
then
mkdir $dirname
for f in . / *.cpp
do
cp f "path_to_dirname"
echo "file backup complete"
}
backup( )
Explanation:
The bash script above is used to backup C++ source files in a directory to a backup directory which is created if it does not exist, and copy's each .cpp file to backup, then sends a message to declare its completion.
The answer is : Ergonomics. This improvement process removes risk factors that lead to injuries and allows for improved human performance and productivity. Applying ergonomic solutions can make employees more comfortable and increase productivity. It is important because when doing a job and our body is stressed by an awkward posture, extreme temperature, or repeated movement your musculoskeletal system is affected.
Due to it's typically massive size, WAN's are almost always slower then a LAN. The further the distance, the slower the network. One of the big disadvantages to having a WAN is the cost it can incur. Having a private WAN can be expensive.