How to find a file with the Linux command line.

The Linux command line is very useful for finding files, the find command is the best way to locate files on your filesystem.

This is a simple example.

knoppix@Microknoppix:~$ sudo find /proc -name "meminfo"

Use the -maxdepth parameter to only search a certain number of levels deep into directories.

knoppix@Microknoppix:~$ sudo find / -maxdepth 2 -name "meminfo"

Use the -cmin parameter to display files that changed a certain number of minutes ago.

knoppix@Microknoppix:~$ sudo find /home/knoppix -cmin 5
find: `/home/knoppix/.gvfs': Permission denied
/home/knoppix/.config/chromium/Default/Current Session

In this example I am looking for files that changed 5 minutes ago.

This command will find all files in your home directory that have changed in the last 24 hours.

find $HOME -mtime 0

The locate command is another way to find files on your filesystem. In this example, I am finding all files in the /bin directory that start with ‘ls’.

knoppix@Microknoppix:~$ locate /bin/ls
locate: warning: database `/var/cache/locate/locatedb' is more than 8 days old (actual age is 503.1 days)

Use the sudo updatedb command to update the database that the locate command uses. This is a faster way to search for files than find.

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