5 ### Read/Write/Execute a file
14 $ rm -rf Directory_with_files
16 ### Copy file to a folder
18 $ cp namefile Downloads
20 namefile Desktop Documents Downloads Music Pictures Public Templates Videos
31 ### Show in the terminal the file
37 ### Create new directory
42 ### list files from directory
45 Desktop Documents Downloads Music Pictures Public Templates Videos
48 ### Mounting a RAM drive
50 $ mount -t tmpfs -o size=5G,nr_inodes=5k,mode=700 tmpfs /tmp
56 username ALL=(ALL) NOPASSWD:/sbin/restart whatever
58 ### Display the amount of available disk space
62 df -h # human-readable format
63 df -a # all filesystems
66 ### Display disk usage
70 du -hsx * | sort -rh | head -10 # largest 10 folders
73 ### Answer yes in a bash script