CSCI330              Assignment #7                     Fall 2001
                C Shell Aliases
                      (50 points)
You can create a new command by using the C shell alias feature, or by writing a shell script. For this assignment, you will be interpreting commands and then creating C shell aliases.

Part A. INTERPRETING ALIAS/COMMANDS (2 points each; 6 points total)

a1. Enter the following commands:

a2. Enter the following command: a3. Enter the following commands: Part B. CREATING ALIASES (45 points total)

For this part of the assignment, you will create an alias that:

b1. (2 points) Create an alias definition called 'h' to display only the most recent (last) 10 commands. This alias does not accept any argument.

b2. (6 points) Redefine the 'ls' command so that its output is displayed always as 3 columns, in round robin order (sort across row), and all directory names are marked with a slash (/) at the end and executable file names are marked with an asterisk at the end. This alias does not accept any argument. Check the man page on pr

Here is an example of the output of the redefined 'ls' command:

      % ls
      Assignments/     ClassList/      alias
      re.file*         re.file,v*      re.file.out
b3. (7 points) Create an alias definition called 'rename' to rename a file or a directory. This alias accepts only one argument, which is the name of a file or a directory. Rename the file so that it has an extension that is a contiguous sequence of digits representing the current time consisting of the year (4 digit), day of year, hour, minute, and second of day. See date and strftime(3c) man pages.

b4. (7 points) Create an alias called 'printcsl' to send one or more output file to the CSL lab printer. This alias accepts one or more arguments, which is the file name(s). Use enscript as the print command and use its options to print the file's name and time of printing at the top of each page.

b5. (7 points) Create an alias definition called 'where' to find a file and list the absolute pathname of the file found. Start search from current directory. This alias accepts one argument, which is a file name.

b6. (7 points) Create an alias called 'cd' which will change your directory and change the command prompt to include:

This alias accepts one argument, which is the name of a directory. Note that you need to change to a directory to see your new prompt that include the above information. Each time your change to a directory, you should see information similar to this:
b7. (8 points) Create an alias called 'mylink' which will create a symbolic link (in your current working directory) to a csci330 assignment in the directory: /home/ux/krush/unix-assignments

This alias accepts one argument, which is the exact name of the assignment file. For example: assign5.fall01

Here is an example on using the 'mylink' alias.