UNIX HELP (the minimalist approach):

File:		unix.help
Author:		course (send problems to walton@deas)
Version:	5

<filename> ::= <basename> | <basename>.<extension>
	     | <directory>/<filename>
<directory> ::= <filename>	[i.e. same syntax]
  .	    Names current directory.
  ..	    Names parent of current directory.
  ~	    Names your home directory.
  ~<person> Names the home directory of <person>.
	    Here `<person>' is a login name.
  *	    In <filename> or <directory> matches any
	    0 or more non-/ characters (wildcard).
  ?	    Ditto but matches exactly 1 character.

logout	    Logout from UNIX.

ll		    List current directory.
ll <subdirectory>   List <subdirectory> of current
		    directory.
ll ..	    	    List parent directory of current
		    directory.
ll > <filename>     Put listing of current directory
		    in a file  with the given
		    <filename>.

cd <directory>	    Change current directory to
		    <directory>.
cd ..		    Change current directory to parent.
mkdir <directory>   Make a directory.
rmdir <directory>   Remove an empty directory.


more <filename>	    Look at a file.
  control-D	    Continue to next page.
  control-C	    Terminate.
  /<text>	    Search forward for line containing
		    <text>.
vi <filename>	    Edit a file: see vi.help.
view <filename>	    Ditto but prohibits changing the
		    file.

ci -l <filename>    Backup (check in) a file: see
		    rcs.help.
rcsdiff <filename>  Find changes in a file since last
		    backup.  See rcs.help.

diff <filename-1> <filename-2>	Find the differences
				between two text files.


rm <filename>	    Remove <filename>.
		    (Type y at any prompt.)
cp <filename-1> <filename-2>
		    Make a copy of <filename-1> and
		    name the copy <filename-2>.
mv <filename-1> <filename-2>
		    Rename <filename-1> giving it the
		    new name <filename-2>.  Director-
		    ies can also be renamed.
mv <filename> <directory>
		    Move <filename> to <directory>
		    (which can be .. to denote parent
		    directory).

chmod u+w <filename>	Make file writable by you.
chmod a-w <filename>	Make file readonly by all.



^Z		Suspend current program.
		(Put in background.)
fg		Resume suspended program.
		(Return to foreground.)
jobs		List suspended programs.
fg %<n>		Resume <n>'th suspended program	
		(if more than one).
kill %<n>	Kill <n>'th suspended program.
kill -9 %<n>	A stronger form of kill, if above
		does not work.

ps lx 		 	List all your processes.
kill <process-id>	Kill process with given PID.
kill -9 <process-id>	A stronger form of kill, if
			above does not work.


Problem Fixes:

  set ignoreeof	  If control-D logs you out, you can
		  prevent this by setting ignoreeof.
  stty erase '^?'  If backspace/delete key does not
  stty erase '^H'  work right, try resetting it with
		  one of these stty commands.


Environmental Dependencies:

    ll		Works only if `alias ll ls -l' defined.



.login and .cshrc files

    source ~lib51/cs51.login	Add this line to your
				.login file after the
				`source /usr/local/...'
				statement.

    source ~lib51/cs51.cshrc	Add this line to your
				.cshrc file after the
				`source /usr/local/...'
				statement.