LinuxQuestions.org - Strange file size and permissions in /usr/sbin

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Strange file size and permissions in /usr/sbin

I noticed that under /usr/sbin, there are some files with very strange file size and permissions. This is the output when I run

Code:

ls -hal|grep T

total 4.3T

?-w---xrwT 33261 root root  40T 2006-05-18 23:43 exicyclog

?-w--w---T 33261 root root  18T 2006-05-18 23:43 exigrep

?-w---sr-x 33261 root root  19T 2006-05-18 23:43 exim_checkaccess

?-w-r-S--- 33261 root root 291T 2006-05-18 23:43 exim_convert4r4

?-w---s-wx 33261 root root  48T 2006-05-18 23:43 exim_lock

?--xrws--- 33261 root root 493T 2006-05-18 23:43 eximstats

?-w---Sr-x 33261 root root 203T 2006-05-18 23:43 exipick

?-w---Srwx 33261 root root  19T 2006-05-18 23:43 exiqgrep

?-w---s--- 33261 root root  16T 2006-05-18 23:43 exiqsumm

-r-s---rwt 33261 root root  18T 2006-02-05 23:33 install-sgmlcatalog

--wSr--r-t 33261 root root  42T 2006-05-23 22:30 invoke-rc.d

---SrwSrwx 33261 root root  52T 2006-04-19 23:30 orphaner

---s--xr-- 33261 root root  36T 2006-05-19 07:56 pppstats

-r-S-w--wT 33261 root root 7.6T 2006-02-05 23:31 update-ca-certificates

-r-s---r-t 33261 root root  23T 2006-04-19 21:10 update-catalog

-rws-w-rw- 33261 root root 3.4T 2006-05-18 23:39 update-pango-modules

-rws-w-rwx 33261 root root 9.0T 2006-05-18 23:39 update-pangox-aliases

What is causing this? Is my system compromised?

Many of your files are hardlinks(the strange s in permission field) and clearly
either your filesystem is reporting incorrect filesize(solution:fsck) or there is problem in tty(solution:reset)

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