Complete the list of commands in linux

[gandalf0079]

Complete the list of commands in linux

[saiharsha-22]

@Amit00790 I have added few commands in the list and sent a pull request can you please check it once.
Added new Linux commands #11

[gandalf0079]

@everyone Make sure to mention the commands you are putting in your PR

[gandalf0079]

@saiharsha-22 you don't need to put screenshots of your PR
Just mention as PR #11

[gandalf0079]

Commands updated:
pwd
ls with flags
cd
touch
cp
mv
locate
cat
sudo
mkdir
rm -rf
man
df
du
tar
uname -a
chmod
ping
clear
dig domain
wget -c file
wget -r url
date
uptime
whoami
ssh user@host
ssh -p port user@host

[pnchinmay]

Added:
grep with flags

[Cirediallo]

@Amit00790 I made a pull request can you check it

[pnchinmay]

Nice work @Cirediallo
PR is merged