Disk space issues are the most common problems raise in the day-to-day life of Linux system admin. So in this article, you can find out the commands to find out the largest files in your file system which are causing problems for the filesystem.
Find for Large Files under Specific Mountpoint
find /var -xdev -type f -size +500000c -exec ll {} ; | sort -nk 5
find /home -xdev -type f -size +5000000c -exec ll {} ; | sort -nk 5
find /opt -xdev -type f -size +5000000c -exec ll {} ; | sort -nk 5
find /usr -xdev -type f -size +5000000c -exec ll {} ; | sort -nk 5
find /tmp -xdev -type f -size +50000000c -exec ll {} ; | sort -nk 5
find /var -xdev -type f -size +50000000c -exec ll {} ; | sort -nk 5
For Solaris & Linux, replace ‘ll’ with ‘ls -l’
find / -xdev -type f -size +50000000c -exec ls -l {} ; | sort -nk 5
find /usr -xdev -type f -size +50000000c -exec ls -ld {} ; | sort -nk 5
find /var -xdev -type f -size +50000000c -exec ls -ld {} ; | sort -nk 5
find / -xdev -type f -size +50000000c -exec ls -ld {} ; | sort -nk 5
find /nfs/tmp -xdev -type f -size +5000000c -exec ls -ld {} ; | sort -nk 5
find /data -xdev -type f -size +50000000c -exec ls -ld {} ; | sort -nk 5
find /usr1/data1 -xdev -type f -size +50000000c -exec ls -ld {} ; | sort -nk 5
find /apps -xdev -type f -size +50000000c -exec ls -ld {} ; | sort -nk 5
find /nfsdata -xdev -type f -size +50000000c -exec ls -l {} ; | sort -nk 5
find /see_data -xdev -type f -size +50000000c -exec ls -l {} ; | sort -nk 5
HP-UX
bdf /var
Solaris, Linux, and AIX
df -k /var
Where -k report size in KB
df -h /var
-h report size in GB / Human-readable
df -h /var
size in GB (Solaris 9++)
