Exercise 2: MS-DOS

Command(s) Purpose
help display list of DOS commands
net help display help for NET command
cd command move to command directory
dir/w display contents in wide format
dir /? display help for DIR command
cd \ move to root directory
dir display contents of current directory
dir/w display current directory in wide format
dir/p display one screen at a time
dir | more display one screen at a time
dir/ah display hidden files
dir/as display system files
dir/od display files in order of date
dir/o-d display in reverse order of date
dir *.txt display text files
dir *.bat display batch files
dir autoexec.* display files named autoexec with any file type
type autoexec.bat display the contents of the autoexec.bat file
md os create a directory named os
cd os change into the os directory
cd .. move up to higher level directory
rd os remove directory named os
copy autoexec.bat a.bat copy a file
xcopy /? | more display options for xcopy command one screen at a time
ren a.bat b.bat rename a file
del b.bat remove a file
date display/change date
time display/change time
ver display version of windows
vol c: display volume label of hard disk
mem display memory
chkdsk display disk space and check for errors
cls clear screen
prompt $p$g make the prompt display current directory and > symbol
prompt /? display prompt options
set display environmental variables
set myvar=myvalue set the variable myvar to myvalue
echo foo > bar.txt create a file named bar.txt containing one line of text
type bar.txt display contents of the file bar.txt
echo baz >> bar.txt add a line of text to the end of bar.txt
type bar.txt display contents of the file bar.txt
type bar.txt | sort > out.txt sort the file bar.txt and save the results in out.txt
del bar.txt delete the file bar.txt
del out.txt delete the file out.txt