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The binary packages for these miscellaneous utilities install
under /usr/local/bin.
'ols' list files giving octal permissions rather than rwx
$ ols ols*
0755 100 6980 ols
0644 100 509 ols.c
$ ls -l ols*
-rwxr-xr-x 1 user other 6980 Jul 15 12:10 ols
-rw-r--r-- 1 user other 509 Jan 8 2003 ols.c
'day' print date resulting from adding or subtracting days from today.
$ day - 4
Mon Jul 11 12:13:24 2005
$ day + 1
Sat Jul 16 12:13:28 2005
$ date
Fri Jul 15 12:13:59 EDT 2005
'ctime' print date from seconds
$ ctime 99912121212
Tue Sep 27 22:10:04 2005
$ ctime 0
Wed Dec 31 19:00:00 1969
'readbackward' prints file lines in reverse order
# readbackward /var/adm/sulog |head -3
SU 07/15 12:20 + pts/1 user-root
SU 07/15 12:19 - pts/1 user-root
SU 06/22 21:59 + pts/3 user-root
'readcharback' prints file characters in reverse order
# ./readcharback /var/adm/sulog |head -3
toor-resu 1/stp + 22:21 51/70 US
toor-resu 1/stp - 22:21 51/70 US
toor-resu 1/stp + 02:21 51/70 US