Operator

Description

-b

Is name a block device?

-c

Is name a character device?

-d

Is name a directory?

-e

Does name exist?

-f

Is name an ordinary file?

-g

Does name have its setgid bit set?

-k

Does name have its "sticky bit" set?

-l

Is name a symbolic link?

-o

Is name owned by the user?

-p

Is name a named pipe?

-r

Is name a readable file?

-s

Is name a non-empty file?

-t

Does name represent a terminal?

-u

Does name have its setuid bit set?

-w

Is name a writable file?

-x

Is name an executable file?

-z

Is name an empty file?

-A

How long since name accessed?

-B

Is name a binary file?

-C

How long since name's inode accessed?

-M

How long since name modified?

-O

Is name owned by the "real user" only?*

-R

Is name readable by the "real user" only?*

-S

Is name a socket?

-T

Is name a text file?

-W

Is name writable by the "real user" only?*

-X

Is name executable by the "real user" only?*

* În acest caz, utilizatorul real este userid specificat la logare, spre deosebire de ID-ul utilizatorului efectiv, care este userid-ul sub care lucraţi în mod curent (Comentariul se referă la sistemul UNIX. Pe anumite sisteme o comandă de felul /user/local/etc/suid permite schimbarea ID-ului efectiv.)