Lock file
From Just Solve the File Format Problem
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| + | '''Lock files''' are used to prevent simultaneous access to a specific file, device, or to prevent an application from being started twice. Lock files are found in Unix-like systems under the directory <code>/var/lock</code> (or more recently, <code>/run/lock</code>). | ||
| − | + | A lock file may be empty, but it usually contains the process ID of the program holding the lock. | |
| − | A lock file | + | |
| − | + | Not to be confused with a [[File lock]], although a lock file often has a file lock. | |
| + | |||
| + | == External links == | ||
| + | * [[wikipedia:Lock file|Lock files at Wikipedia]] | ||
Latest revision as of 10:05, 1 June 2015
Lock files are used to prevent simultaneous access to a specific file, device, or to prevent an application from being started twice. Lock files are found in Unix-like systems under the directory /var/lock (or more recently, /run/lock).
A lock file may be empty, but it usually contains the process ID of the program holding the lock.
Not to be confused with a File lock, although a lock file often has a file lock.
