file transfer

wget

mkdir gnu  # for download
cd gnu
wget https://ftpmirror.gnu.org/gnu/hello/hello-2.12.2.tar.gz  # download

uncompress and extract

gunzip hello-2.12.2.tar.gz  # uncompress .gz file
                            # use bunzip2 for .bz2 files
                            # use unxz for .xz files
ls -l  # original .gz file gone
tar xf hello-2.12.2.tar  # extract files from .tar archive
                         # x is extract ( must be first option)
                         # f is file (must be last option)
                         # other options go between x and f
ls -l  # files were extracted to directory hello-2.12.2
rm hello-2.12.2.tar  # clean up

build and install application

cd hello-2.12
ls  # lots here
less src/hello.c  # look at the source code (if you're a C programmer)
q  # quit less when done
less INSTALL  # read the directions
q  # quit less when done
./configure --prefix=$PWD  # prepare a Makefile which suits your system
                           # --prefix specifies directory for install
make  # build application
make install  # install application
ls bin/  # the executable is here
ls share/  # info and man pages are here

run application

./bin/hello  # execute hello
echo $LANG  # LANG defines the locale as language_country.encoding
LANG=fr_FR.UTF-8  # fr_FR is French language, as spoken in France
./bin/hello  # output in French
./bin/hello -x  # error messages also in French
LANG=en_US.UTF-8  # reset to US English
man -M ./share/man hello  # -M (manpath) for non-standard locations
q  # quit less
info -f doc/hello.info  # -f (file) for non-standard location
# use arrow keys to scroll up and down
q  # quit info
cd

rsync

# login to slackstu2.net (same user name and password)
ls  # like UNIX command
rsync -av slackstu.net:gnu/hello-2.12.2 ./  # accept key, login
ls hello-2.12.2
# Linux app does not build on FreeBSD without extra work

sftp

# from slackstu2.net
sftp slackstu.net  # accept key, login
pwd  # like UNIX command
cd hello-2.12.2  # like UNIX command
ls  # like UNIX command
cd ..  # like UNIX command
ls -a  # like UNIX command
get .bashrc  # download file (no effect on ksh)
!ls -a  # run local command
put .cshrc  # upload file  (no effect on bash)
ls -a
exit  # quit sftp