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linux_tutorial_five
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= In your testdir directory, type <code>compsci-user@tim:~$ ls -l (l for long listing!)</code> You w... eft group of 3 gives the file permissions for the user that owns the file (or directory) (ee51ab in the... ===Access rights on directories.=== * r allows users to list files in the directory; * w means that users may delete files from the directory or move fil
linux_tutorial_two
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ed in an open access area of the file system, and use the **cp** command to copy it to your **testdir**... rst, cd to your testdir directory. <code>compsci-user@tim: cd ~/testdir</code> Then at the Linux prompt, type, <code>compsci-user@tim: cp /vol/examples/tutorial/science.txt . </c... University, you can grab a copy of the file here. Use 'File/Save As..' from the menu bar to save it int
linux_tutorial_one
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ry. 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... at is in your home directory, type <code> compsci-user@tim:~$ ls </code> The **ls** command ( lowercase... whose names begin with a dot, type <code> compsci-user@tim:~$ ls -a </code> {{:help:general_linux:lsa.
linux_tutorial_seven
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talled on our systems, which are available to all users. However, students are allowed to download and ... n their own home directory, software usually only useful to them personally. There are a number of ste... licated and beyond the capability of the ordinary user. A number of utilities and tools have been developed for programmers and end-users to simplify these steps. ===make and the Makef
linux_tutorial_eight
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r particular variables and if they are found will use the values stored. Some are set by the system, ot... only to the current instance of the shell and are used to set short-term working conditions; environmen... erating system you are using. Type <code>compsci-user@tim:~$ echo $OSTYPE</code> More examples of environment variables are * USER (your login name) * HOME (the path name of you
linux_tutorial_three
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to the terminal screen. We have already seen one use of the **cat** command to write the contents of a... * without specifing a file to read <code>compsci-user@tim:~$ cat</code> Then type a few words on the ... ommands. ====3.2 Redirecting the Output ==== We use the > symbol to redirect the output of a command.... containing a list of fruit, type <code>compsci-user@tim:~$ cat > list1</code> Then type in the name
linux_tutorial_six
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=====Linux Tutorial Six===== ====Other useful UNIX commands==== ===quota=== All students are allocated... ck your current quota and how much of it you have used, type <code>compsci-user@tim:~$ quota -v</code> ===df=== The df command reports on the space left ... ce is left on the fileserver, type <code>compsci-user@tim:~$ df .</code> ===du=== The du command out
linux_tutorial_four
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in your unixstuff directory, type <code>compsci-user@tim:~$ ls list*</code> This will list all files... ting with **list....** Try typing <code>compsci-user@tim:~$ ls *list</code> This will list all files... *, but not **grouse**. Try typing <code>compsci-user@tim:~$ ls ?list</code> ====4.2 Filename convent... within names. The safest way to name a file is to use only alphanumeric characters, that is, letters an