Listing files by access date.
You can use the “-ltur” option. The “u” enforces the “by access date” listing order. The “t” option to list files in order of age. The “r” option is to reverse the option
$ ls -ltur
-rwxr-xr-x 1 user1 users 1622374400 Mar 10 00:08 yyyy.iso
-rw-rw-r-- 1 user1 users 18387452 Mar 13 14:06 xxxx.rpm
-rwxr-xr-x 1 user1 users 303 Mar 30 16:32 visJob.pbs
-rw------- 1 user1 users 762 Mar 30 16:35 visJob.o1475403
-rw------- 1 user1 users 59 Mar 30 16:35 visJob.e1475403
Listing Files by Modified Date and Time
You can use the “-ltr” option. The “r” is the reverse order.
$ ls -ltr
-rw-rw-r-- 1 melvin melvin 18387452 Mar 13 14:03 xxxx.rpm
-rwxr-xr-x 1 melvin melvin 303 Mar 13 17:00 vis.pbs
-rw-rw-r-- 1 melvin melvin 1084 Mar 23 16:52 yyy.pem
Listing files by owner
Use the output of the ls command to sort and pick out the owner column by adding “-k3” to sort on the third field.
$ ls -l | sort -k3 | more
drwx------ 29 www users 1005 Sep 20 2022 www-home
drwx------ 16 yyy users 684 Apr 3 14:07 yyy-home
drwx------ 16 zzz users 746 Mar 21 11:31 zzz-home
Listing files by group
Sort files by the associated groups, you can pass the output from a long listing to the sort command and tell it to sort on column 4.
$ ls -l | sort -k4 | more
drwx------ 29 www users1 1005 Sep 20 2022 www-home
drwx------ 16 yyy users2 684 Apr 3 14:07 yyy-home
drwx------ 16 zzz users3 746 Mar 21 11:31 zzz-home
Listing files by size
To sort files by Size, use the “-S” Option. If you wish to put the largest files at the end, use the “-r”. Use the “-h” to be human readable.
ls -lSrh
-rw-rw-r-- 1 www users 1.9G Nov 15 11:04 integr8_120.xml.gz
-rw-rw-r-- 1 www users 6.0G Jul 26 2022 20220712_msconvert.zip
-rw-rw-r-- 1 www users 6.9G May 31 2022 ELECTRONICS.tgz