Discussion
The log command can display the commit messages associated with the revisions of resources.

General Form
Get log information for a resource(s) that are in the local Working Copy.

svn log [PATH]

Get log information for a resource in a repository.

svn log URL[@REV]

Usage Example 1
Get the log information for all resources in the Working Copy.

$ svn log
————————————————————————
r42 | releasemgr | 2009-05-13 13:25:51 -0700 (Wed, 13 May 2009) | 1 line

Commit message
————————————————————————
r40 | cdickson | 2009-05-13 13:23:18 -0700 (Wed, 13 May 2009) | 1 line

Commit message
————————————————————————
. . .
————————————————————————
r2 | cdickson | 2009-04-18 11:34:29 -0700 (Sat, 18 Apr 2009) | 1 line

Initial files for new project
————————————————————————
r1 | cdickson | 2009-04-17 16:41:07 -0700 (Fri, 17 Apr 2009) | 1 line

Creating basic project structure
————————————————————————
$

Usage Example 2
Get the log information for the file File1.txt that is in the current directory, which is part of a Working Copy.

$ svn log File1.txt
————————————————————————
r42 | releasemgr | 2009-05-13 13:25:51 -0700 (Wed, 13 May 2009) | 1 line

Commit message
————————————————————————
r40 | cdickson | 2009-05-13 13:23:18 -0700 (Wed, 13 May 2009) | 1 line

Commit message
————————————————————————
…
————————————————————————
r4 | cdickson | 2009-04-20 16:59:55 -0700 (Mon, 20 Apr 2009) | 1 line

Feature X Implementation
————————————————————————
r2 | cdickson | 2009-04-18 11:34:29 -0700 (Sat, 18 Apr 2009) | 1 line

Initial files for new project
————————————————————————
$

Notice that there is no revision 1 for File1.txt, because that resource was not changed as part of that revision.

Usage Example 3
Get the log information for the file File1.txt that is in a repository but there is no local Working Copy.

$ svn log http://mydomain/repos/test/exampleproject/trunk/File1.txt
————————————————————————
r42 | releasemgr | 2009-05-13 13:25:51 -0700 (Wed, 13 May 2009) | 1 line

Commit message
————————————————————————
r40 | cdickson | 2009-05-13 13:23:18 -0700 (Wed, 13 May 2009) | 1 line

Commit message
————————————————————————
…
————————————————————————
r4 | cdickson | 2009-04-20 16:59:55 -0700 (Mon, 20 Apr 2009) | 1 line

Feature X Implementation
————————————————————————
r2 | cdickson | 2009-04-18 11:34:29 -0700 (Sat, 18 Apr 2009) | 1 line

Initial files for new project
————————————————————————
$