title: Linux
---
+### Read/Write/Execute a file
+
+ $ chmod +rwx App
+ $ ./App
+
+### Remove
+
+ $ rm namefile
+ $ rm -d Directory
+ $ rm -rf Directory_with_files
+
+### Copy file to a folder
+
+ $ cp namefile Downloads
+ $ ls
+ namefile Desktop Documents Downloads Music Pictures Public Templates Videos
+ $ cd Downloads
+ ~/Downloads$ ls
+ namefile
+
+
+### Create empty file
+
+ $ touch namefile
+ $ touch --help
+
+### Show in the terminal the file
+
+ $ cat namefile
+ $ cat --help
+
+
+### Create new directory
+
+ $ mkdir name
+ $ mkdir --help
+
+### list files from directory
+
+ $ ls
+ Desktop Documents Downloads Music Pictures Public Templates Videos
+ $ ls --help
+
### Mounting a RAM drive
$ mount -t tmpfs -o size=5G,nr_inodes=5k,mode=700 tmpfs /tmp