C_shell

cse_Assignment shell

About

A shell like in linux which is completely implemented in c

Steps to use

Step 1 Clone the repository

Step 2 Move in the bash directory

Step 3 $ make

Step 4 $ ./make

Commands you can run

A new prompt will appear Note -: Background processes Any command invoked with "&" is treated as background command. When the background process exits then the shell must display the appropriate message to the user.

user defined commands

$ cd newdir

$ ls [al]

$ pwd

$ echo

$ pinfo

$ pinfo

$ history

Piping and Redirection

$ diff file1.txt file2.txt > output.txt

$ sort < lines.txt > sortedlines.txt

$ grep "new" temp.txt | cat somefile.txt | wc

Other specific commands

$ jobs

$ kjob Note -: takes the job id of a running job and sends a signal value to that process

$ fg Note-: brings a running or a stopped background job with given job number to foreground

$ bg : Note : - changes a stopped background job to a running background job.

$ overkill Note: kills all background process at once.

$ quit