Questions

1. Login to your account and enter fallowing commands,What arethe observation?

• ls
• pwd
• uname -a
• ls
• ls /..
• man pwd
• cal
• mkdir
• mkdir lab1dir
• ls
• cd lab1dir
• pwd
• touch lab1 file
• ls-al(Can you tell how big the file is ?)
• rm lab1 le
• pwd
• clear
• passwd
• echo Hello world
• date
• hostname
• dmesg more
• uptime
• sleep 10
• who am i
• sleep 10 &
• who
• sleep 1000
• Ctrl + z
• bg
• jobs
• kill %jobnumber
• id
• last
• echo $SHELL
• who
• yes Hello World
• CTRL + L
• history
• cd Desktop/ && mkdir lab1dir2
• cd labidir2
• cp /usr/share/doc/packages/yast2-installation/COPYRIGHT.english .
• cp COPYRIGHT.english /home/eng/lab1dir/
• ls /home/chathura/lab1ddir/COPYRIGHT.english
• rm lab1dir2 jj ls
• rm -r && ls
• mkdir Desktop/lab1dir3
• ls -al lab1dir1
• ls -al lab1dir3
• mv lab1dir1/COPYRIGHT.english Desktop/lab1dir3
• cd Desktop/lab1dir3 && ls -al
• mv COPYRIGHT.english copy.eng
• grep -i 'freedom to' copy.eng
• grep -n 'freedom to' copy.eng
• su
• reboot