09-29-2004
HELP ASAP.. pretty simple..
Hey guys....
couple questions...
I am working a problem set and can't answer this:
1) Suppose you are in a directory that contains a file called "foo." You want to create a new file called "bar" that contains the sorted contents of "foo" in the parent directory of the one you're in. How would you do it with one command?
2) Most (but by no means all) of the programs on klotho are in "/usr/bin". The "ls" command, by itself, can't tell you how many programs are in that directory, but there's a clever way to get that information by combining "ls" with another command. Can you figure it out?
3) How, using UNIX, would you determine what day November 9th, 1066 fell on?
Thanks in advance.. this is due in a few hours... so urgent
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LEARN ABOUT OPENDARWIN
pwd
PWD(1) BSD General Commands Manual PWD(1)
NAME
pwd -- return working directory name
SYNOPSIS
pwd [-LP]
DESCRIPTION
The pwd utility writes the absolute pathname of the current working directory to the standard output.
Some shells may provide a builtin pwd command which is similar or identical to this utility. Consult the builtin(1) manual page.
The options are as follows:
-L Display the logical current working directory.
-P Display the physical current working directory (all symbolic links resolved).
If no options are specified, the -P option is assumed.
ENVIRONMENT
Environment variables used by pwd:
PWD Logical current working directory.
DIAGNOSTICS
The pwd utility exits 0 on success, and >0 if an error occurs.
STANDARDS
The pwd utility conforms to IEEE Std 1003.1-2001 (``POSIX.1'').
SEE ALSO
builtin(1), cd(1), csh(1), sh(1), getcwd(3)
BUGS
In csh(1) the command dirs is always faster because it is built into that shell. However, it can give a different answer in the rare case
that the current directory or a containing directory was moved after the shell descended into it.
The -L option does not work unless the PWD environment variable is exported by the shell.
BSD
February 4, 2002 BSD