Task |
Description |
For Instructions |
---|---|---|
Display information about files and disk space. |
Display information about how disk space is used by using the df command. | |
Display the size of files. |
Display information about the size of files by using the ls command with the -lh options. | |
Find large files. |
The ls -s command allows you to sort files by size, in descending order. | |
Find files that exceed a specified size limit. |
Locate and display the names of files that exceed a specified size by using the find command with the -size option and the value of the specified size limit. | |
Display the size of directories, subdirectories, and files. |
Display the size of one or more directories, subdirectories, and files by using the du command. |
How to Display the Size of Directories, Subdirectories, and Files |
Display ownership of local UFS file systems. |
Display ownership of files by using the quot -a command. | |
List the newest files. |
Display the most recently created or changed files first, by using the ls -t command | |
Find and remove old or inactive files. |
Use the find command with the -atime and -mtime options to locate files that have not been accessed for a specified number of days. You can remove these files by using therm `cat filename' command. | |
Clear out temporary directories. |
Locate temp directories, then use the rm -r * command to remove the entire directory. | |
Find and delete core files. |
Find and delete core files by using the find . -name core -exec rm {} \; command. | |
Delete crash dump files. |
Delete crash dump files that are located in the /var/crash/ directory by using the rm * command. |