2/20/2019

5143 Shell Project

Group members

• SAIKIRAN PALIMPATI

• SAI RAMA KRISHNA TUMMALA

Overview:

This is a project written in python that implements a basic shell. We have implemented various commands like ls, grep, wc etc.

Commands:

command	description	author	notes
ls	directory listing	saikiran
mkdir	making a directory	sairam
cd	change to home directory	sairam
pwd	displaying current directory	sairam
cp	copying file1 to file2	sairam
mv	renaming file1 to file2	sairam
rm	removing a file	saikiran
rmdir	removing a directory	sairam
cat	displaying a file	saikiran
less	display a file page at a time	saikiran
head	display first few lines of a file	saikiran
tail	display last few lines of a file	saikiran
grep	search files for keywords	saikiran
wc	count lines/characters/words in a file	sairam
sort	sorts data in alphabetical order	sairam
who	lists users currently logged in	saikiran
history	shows history of all commands	sairam
!x	loads the command we ran before	saikiran
chmod	changes modify permission	saikiran

References:

• https://github.com/rugbyprof/5143-Operating-Systems/blob/master/Resources/ls_command.md
• https://www.saltycrane.com/blog/2010/04/options-listing-files-directory-python/