https://www.cs.vassar.edu/ 2026-04-12T12:29:12+00:00 https://www.cs.vassar.edu/ https://www.cs.vassar.edu/_media/favicon.ico text/html 2016-05-20T15:48:57+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.cs.vassar.edu/tutorial/linux_tutorial_five?rev=1463759337&do=diff Linux Tutorial Five 5.1 File system security (access rights) In your testdir directory, type compsci-user@tim:~$ ls -l (l for long listing!) You will see that you now get lots of details about the contents of your directory, similar to the example below. text/html 2016-05-20T15:49:16+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.cs.vassar.edu/tutorial/linux_tutorial_eight?rev=1463759356&do=diff Linux Tutorial Eight 8.1 UNIX Variables Variables are a way of passing information from the shell to programs when you run them. Programs look “in the environment” for particular variables and if they are found will use the values stored. Some are set by the system, others by you, yet others by the shell, or any program that loads another program. text/html 2016-05-20T15:49:11+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.cs.vassar.edu/tutorial/linux_tutorial_seven?rev=1463759351&do=diff Linux Tutorial Seven 7.1 Compiling Linux software packages We have many public domain and commercial software packages installed on our systems, which are available to all users. However, students are allowed to download and install small software packages in their own home directory, software usually only useful to them personally. text/html 2016-05-20T15:47:59+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.cs.vassar.edu/tutorial/linux_tutorial_one?rev=1463759279&do=diff Linux Tutorial 1.1 Listing files and directories ls (list) When you first login, your current working directory is your home directory. Your home directory has the same name as your user-name, for example, compsci-user, and it is where your personal files and subdirectories are saved. text/html 2016-05-20T15:49:05+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.cs.vassar.edu/tutorial/linux_tutorial_six?rev=1463759345&do=diff Linux Tutorial Six Other useful UNIX commands quota All students are allocated a certain amount of disk space on the file system for their personal files, usually about 100Mb. If you go over your quota, you are given 7 days to remove excess files. text/html 2016-05-20T15:48:43+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.cs.vassar.edu/tutorial/linux_tutorial_three?rev=1463759323&do=diff Linux Tutorial Three 3.1 Redirection Most processes initiated by UNIX commands write to the standard output (that is, they write to the terminal screen), and many take their input from the standard input (that is, they read it from the keyboard). There is also the standard error, where processes write their error messages, by default, to the terminal screen.