change the root mount NAME pivot_root - change the root mount LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <sys/......for details. FreeBSD has a stronger jail () system call. SEE ALSO chroot (1), chdir (2), pivot_root (2), path_resolution (7), switch_root (8)set user identity NAME setuid - set user identity LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <unistd.h> int setuid(uid_t uid ); DESCRIPTION setuid () sets the effe…set user identity NAME setuid - set user identity LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <unistd.h> int setuid(uid_t uid ); DESCRIPTION setuid () sets the effe…setup devices and filesystems, mount root filesystem NAME setup - setup devices and filesystems, mount root filesystem LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <…mount filesystem NAME mount - mount filesystem LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <sys/mount.h> int mount(const char * source , const char * target , const…open and possibly create a file (extended) NAME openat2 - open and possibly create a file (extended) LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <fcntl.h> /* Defini…get current working directory NAME getcwd, getwd, get_current_dir_name - get current working directory LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <unistd.h> char *…..._getfd (2) 5.6 pidfd_send_signal (2) 5.1 pidfd_open (2) 5.3 pipe (2) 1.0 pipe2 (2) 2.6.27 pivot_root (2) 2.4 pkey_alloc (2) 4.8 pkey_free (2) 4.8 pkey_mprotect (2) 4.8 poll (2) …unmount filesystem NAME umount, umount2 - unmount filesystem LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <sys/mount.h> int umount(const char * target ); int umount2…unmount filesystem NAME umount, umount2 - unmount filesystem LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <sys/mount.h> int umount(const char * target ); int umount2…disassociate parts of the process execution context NAME unshare - disassociate parts of the process execution context LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #define _G…set group identity NAME setgid - set group identity LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <unistd.h> int setgid(gid_t gid ); DESCRIPTION setgid () sets the ef…set group identity NAME setgid - set group identity LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <unistd.h> int setgid(gid_t gid ); DESCRIPTION setgid () sets the ef…delete a directory NAME rmdir - delete a directory LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <unistd.h> int rmdir(const char * pathname ); DESCRIPTION rmdir () de…change ownership of a file NAME chown, fchown, lchown, fchownat - change ownership of a file LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <unistd.h> int chown(const …change ownership of a file NAME chown, fchown, lchown, fchownat - change ownership of a file LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <unistd.h> int chown(const …change ownership of a file NAME chown, fchown, lchown, fchownat - change ownership of a file LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <unistd.h> int chown(const …change ownership of a file NAME chown, fchown, lchown, fchownat - change ownership of a file LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <unistd.h> int chown(const …change ownership of a file NAME chown, fchown, lchown, fchownat - change ownership of a file LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <unistd.h> int chown(const …