busybox ln busybox ln bbsh$ ln busybox echo bbsh$ ln busybox ls bbsh$ ls busybox ... echo ln ls bbsh$ ls -id / # Compare with inode number above 319459 / bbsh$ echo 'hellodemonstrates the use of these two programs: $ echo 'Can you please think about it?' > cecilia.txt ... cecilia.txt # Display inode number 4072121 $ rm cecilia.txt $ echo 'Can you pl…demonstrates the use of these two programs: $ echo 'Can you please think about it?' > cecilia.txt ... cecilia.txt # Display inode number 4072121 $ rm cecilia.txt $ echo 'Can you pl…data to it, and close the FIFO: $ echo aaaaabbbbbccccc > myfifo In the terminal wheredata to it, and close the FIFO: $ echo aaaaabbbbbccccc > myfifo In the terminal wherecontaining a random number: $ while true; do echo $RANDOM > /dev/udp/127.0.0.1/1234; sleep 0.25; done These datagramsdevice to cfq : $ su Password: # echo cfq > /sys/block/sda/queue/scheduler The Completely Fair Queuing (CFQ) I/O schedulerdevice to cfq : $ su Password: # echo cfq > /sys/block/sda/queue/scheduler The Completely Fair Queuing (CFQ) I/O schedulerentry in the file /etc/request-key.conf . $ sudo sh # echo 'create user mtk:* * /bin/keyctl instantiate