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chroot()               COHERENT System Call              chroot()




Change process's root directory

iinntt cchhrroooott(_d_i_r_e_c_t_o_r_y)
cchhaarr *_d_i_r_e_c_t_o_r_y;

The root directory is the directory from which file-name searches
commence when  a path name  begins with `/'.   chroot changes the
root directory to directory for the requesting process and all of
its children.

Because of security  problems, chroot is restricted to the super-
user.  It is sometimes useful for a system administrator; for ex-
ample, to test a new system environment that resides on a mounted
file system.

***** See Also *****

chdir(), COHERENT system calls, fork()

***** Diagnostics *****

chroot returns zero for a  successful call.  It returns -1 on er-
rors, such as the caller not being the superuser or the directory
being nonexistent or not a directory.
































COHERENT Lexicon                                           Page 1

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