linux: try some table fixes

intro/beagle101/linux.rst

@@ -17,41 +17,41 @@ Typical Command-line Utilities
 
 Most of what a new user experiences with Linux is the command-line.
 
-.. table::
-
-   +=========+================================+=========+====================================+
-   | command | function                       | command | function                           |
-   +=========+================================+=========+====================================+
-   | pwd     | *show current directory*       | echo    | *print/dump value*                 |
-   +---------+--------------------------------+---------+------------------------------------+
-   | cd      | *change current directory*     | env     | *dump environment variables*       |
-   +---------+--------------------------------+---------+------------------------------------+
-   | ls      | *list directory contents*      | export  | *set environment variable*         |
-   +---------+--------------------------------+---------+------------------------------------+
-   | chmod   | *change file permissions*      | history | *dump command history*             |
-   +---------+--------------------------------+---------+------------------------------------+
-   | cp      | *copy files*                   | man     | *get help on command*              |
-   +---------+--------------------------------+---------+------------------------------------+
-   | mv      | *move files*                   | apropos | *show list of man pages*           |
-   +---------+--------------------------------+---------+------------------------------------+
-   | rm      | *remove files*                 | find    | *search for files*                 |
-   +---------+--------------------------------+---------+------------------------------------+
-   | mkdir   | *make directory*               | tar     | *create/extract file archives*     |
-   +---------+--------------------------------+---------+------------------------------------+
-   | rmdir   | *remove directory*             | gzip    | *compress a file*                  |
-   +---------+--------------------------------+---------+------------------------------------+
-   | cat     | *dump file contents*           | gunzip  | *decompress a file*                |
-   +---------+--------------------------------+---------+------------------------------------+
-   | less    | *progressively dump file*      | du      | *show disk usage*                  |
-   +---------+--------------------------------+---------+------------------------------------+
-   | vi      | *edit file (complex)*          | df      | *show disk free space*             |
-   +---------+--------------------------------+---------+------------------------------------+
-   | nano    | *edit file (simple)*           | mount   | *mount disks*                      |
-   +---------+--------------------------------+---------+------------------------------------+
-   | head    | *trim dump to top*             | tee     | *write dump to file in parallel*   |
-   +---------+--------------------------------+---------+------------------------------------+
-   | tail    | *trim dump to bottom*          | hexdump | *readable binary dumps*            |
-   +---------+--------------------------------+---------+------------------------------------+
+.. table:: Typical Linux commands
+
+    +---------+--------------------------------+---------+------------------------------------+
+    | command | function                       | command | function                           |
+    +=========+================================+=========+====================================+
+    | pwd     | *show current directory*       | echo    | *print/dump value*                 |
+    +---------+--------------------------------+---------+------------------------------------+
+    | cd      | *change current directory*     | env     | *dump environment variables*       |
+    +---------+--------------------------------+---------+------------------------------------+
+    | ls      | *list directory contents*      | export  | *set environment variable*         |
+    +---------+--------------------------------+---------+------------------------------------+
+    | chmod   | *change file permissions*      | history | *dump command history*             |
+    +---------+--------------------------------+---------+------------------------------------+
+    | cp      | *copy files*                   | man     | *get help on command*              |
+    +---------+--------------------------------+---------+------------------------------------+
+    | mv      | *move files*                   | apropos | *show list of man pages*           |
+    +---------+--------------------------------+---------+------------------------------------+
+    | rm      | *remove files*                 | find    | *search for files*                 |
+    +---------+--------------------------------+---------+------------------------------------+
+    | mkdir   | *make directory*               | tar     | *create/extract file archives*     |
+    +---------+--------------------------------+---------+------------------------------------+
+    | rmdir   | *remove directory*             | gzip    | *compress a file*                  |
+    +---------+--------------------------------+---------+------------------------------------+
+    | cat     | *dump file contents*           | gunzip  | *decompress a file*                |
+    +---------+--------------------------------+---------+------------------------------------+
+    | less    | *progressively dump file*      | du      | *show disk usage*                  |
+    +---------+--------------------------------+---------+------------------------------------+
+    | vi      | *edit file (complex)*          | df      | *show disk free space*             |
+    +---------+--------------------------------+---------+------------------------------------+
+    | nano    | *edit file (simple)*           | mount   | *mount disks*                      |
+    +---------+--------------------------------+---------+------------------------------------+
+    | head    | *trim dump to top*             | tee     | *write dump to file in parallel*   |
+    +---------+--------------------------------+---------+------------------------------------+
+    | tail    | *trim dump to bottom*          | hexdump | *readable binary dumps*            |
+    +---------+--------------------------------+---------+------------------------------------+
 
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