chroot FILENAME chroot This function works like the system call by the same name: it makes the named directory

link OLDFILE,NEWFILE Creates a new filename linked to the old filename. Returns true for success, false otherwise.

sleep EXPR sleep Causes the script to sleep for (integer) EXPR seconds, or forever if no argument is given

readlink EXPR readlink Returns the value of a symbolic link, if symbolic links are implemented. If not,

cos EXPR cos Returns the cosine of EXPR (expressed in radians). If EXPR is omitted, takes the cosine of

print FILEHANDLE LIST print FILEHANDLE print LIST print

utime LIST Changes the access and modification times on each file of a list of files. The first two elements of the list must be the NUMERIC

use Module VERSION LIST use Module VERSION use Module LIST use Module

chomp VARIABLE chomp( LIST ) chomp This safer version of

ord EXPR ord Returns the numeric value of the first character of EXPR. If EXPR is an empty string, returns