Boston Python Workshop 5/Friday/Linux terminal navigation: Difference between revisions
Content added Content deleted
(Ewelina) |
(uPOFOgAfBxfjmrLIULb) |
||
| Line 1: | Line 1: | ||
Keep these articles coming as they've oepend many new doors for me. |
|||
There are three commands that we'll be using at a command prompt to navigate the filesystem on your computer: |
|||
* <code>ls</code> |
|||
* <code>pwd</code> |
|||
* <code>cd</code> |
|||
<code>ls</code> lists the contents of a directory.<br /> |
|||
<code>pwd</code> gives the full directory path to your current directory.<br /> |
|||
<code>cd</code> moves you into a new directory (it stands for "change directory"). |
|||
Let's practice using these commands. |
|||
Sarah / I'm trying to use this theme for a clenit and it's generating this error: Warning: call_user_func_array() [function.call-user-func-array]: First argument is expected to be a valid callback, mytheme_add_admin' was given in /home1/webdcmar/public_html/wp-includes/plugin.php on line 395Can you please double-check this and email me if you've corrected for the problem? The old version of Handgloves isn't even upload-able anymore. Just generates a string of errors. Thanks! |
|||
===Practice using <code>ls</code>, <code>pwd</code>, and <code>cd</code>=== |
|||
Before you practice these commands, let's make sure you are really at a terminal prompt. Recall that a terminal prompt will look like <code>jesstess$</code> and a Python prompt will look like <code>>>></code>. Make sure you are at a terminal prompt and not a Python prompt; if you are at a Python prompt, you can type <code>exit()</code> on a line by itself and then hit enter to exit Python and return to a terminal prompt. Great! |
|||
Type each of these commands and hit enter: |
|||
<pre>ls</pre> |
|||
This lists all the files in your home directory. |
|||
<br /> |
|||
<pre>pwd</pre> |
|||
This displays the full directory path to your current directory, which is your home directory. |
|||
<br /> |
|||
<pre>cd /</pre> |
|||
This will change you into the <code>/</code> root directory. |
|||
<br /> |
|||
<pre>ls</pre> |
|||
This lists the contents of the <code>/</code> root directory. |
|||
<br /> |
|||
<pre>cd home</pre> |
|||
This will change you into the <code>home</code> subdirectory of the <code>/</code> root directory. |
|||
<br /> |
|||
<pre>ls</pre> |
|||
You should see a list of all the files in <code>/home</code>, including the directory for your username -- your home directory. |
|||
<br /> |
|||
<pre>pwd</pre> |
|||
This displays the full directory path to your current directory, <code>/home</code>. |
|||
<br /> |
|||
<pre>cd ..</pre> |
|||
<code>..</code> means "parent directory", so this command moved you up to the parent directory. You were in <code>/home</code>, so now you are in <code>/</code>, the root directory. |
|||
<br /> |
|||
<pre>ls</pre> |
|||
This lists the contents of the root directory, confirming where you are. |
|||
<br /> |
|||
* You can use Tab to auto-complete directory and file names. So from inside the root directory, if you type <code>cd U</code> and hit Tab, the command prompt will auto-complete the directory name as much as it can. |
|||
* The command prompt maintains a command history. You can use the up arrow to cycle through old commands. |
|||
Sarah / Also getting this error when I try to uptade the General settings:Warning: Cannot modify header information headers already sent by (output started at /home1/webdcmar/public_html/wp-includes/plugin.php:395) in /home1/webdcmar/public_html/wp-includes/pluggable.php on line 897 |
|||
Revision as of 12:56, 5 May 2012
Keep these articles coming as they've oepend many new doors for me.