08-14-2008
am working on korn shell, could you help me on this, this is the code
echo "Enter the text"
read text
which should not allow the user to enter more than 50 chars
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sc_auth(8) BSD System Manager's Manual sc_auth(8)
NAME
sc_auth -- smart card authorization setup script
SYNOPSIS
sc_auth accept [-v] [-u user] [-d domain] [-k keyname]
sc_auth accept [-v] [-u user] [-d domain] -h hash
sc_auth remove [-v] [-u user] [-d domain]
sc_auth hash [-k keyname]
sc_auth list [-v] [-u user] [-d domain]
DESCRIPTION
sc_auth configures a local user account to permit authentication using a supported smart card. Authentication is via asymmetric key (also
known as public-key) encryption. sc_auth works with signing keys, but not encryption keys.
sc_auth can perform the following actions:
accept Associate a user with a public key on a card. The key to use can be specified either by its name or its hash.
remove Remove all public keys associated with a user.
hash Print the hashes for all keys on all inserted cards.
list List all public keys associated with a user.
OPTIONS
-u user Specifies the user whose account is to be modified
-d domain
Specifies the directory domain containing the user account
-k keyname
Specifies a public key by its name
-h hash Specifies a public key by its hash
-v Verbose mode
NOTES
sc_auth is a shell script. It is intended to be modified by administrators to suit their local environments.
sc_auth is only known to work with a local directory. Consult the script's source for some limited guidance to using remote directories.
BUGS
sc_auth hash might display the hashes of encryption keys as well as signing keys, even though sc_auth accept does not work with encryption
keys.
MacOSX December 11, 2006 MacOSX