Chapter 6 Assignment

1.Turn your log record on using script command and name it ch_6

2.Create a folder named Ch6 and use script to create a file named Ch6/hands_on.

3.Run env to show a list of environmental variables.

4.Run the following command: echo My username is `echo $USER` what is yours?

5.Run the find command to list all files in ../ that begin with Chap_ or chap_ using wild cards

6.Run the find command to list all files in ../ that begin with Chap_ or chap_ using wild cards, but pipe the output to sort command then use the tee command to send the output to a file named Ch6/sorted.

7.Run the wc -l command using Ch6/sorted as an input on Standard input.

8.Use find command to search beginning with the root directories looking for a file named whereis. The command line should send standard error to /dev/null and standard output to Ch6/where. Try the same command without using redirection of standard output and standard error.

9.Use find to search /export/home to find files named chap01. Add the exec option to the command to produce a long listing for each file found.

10.Do the same thing (see 8.) except dont use exec, but instead pipe the output to the xargs command to do the same long listing.

11.How would you run the commands in 8 and 9 and not produce the Permission Denied errors on the screen? Run the commands to demonstrate.

12.Run the find command that will list all files in ../wildcards that begin with Chap_ and then pipe the output to a command that will count the number of files (lines) of output then pipe to the tee command then send the output to Ch6/counted.