I can`t enter to the system
,it said :
/dev/sda7 contains a file system with errors, check forced.
inodes that were part of a correpted orphan linked list found.
/dev/sda7:unexpected inconsistency; run fsck manually.
(i.e., without -a or -p options)
fsck exited with status code 4
The root filesystem on /dev/sda7 requires a manual fsck
BusyBox v1.22.1 (Ubuntu 1:1.22.0-15ubuntu1) built-in shell (ash)
Enter'help' for a list of built- in commands.
. : [ alias break cd chdir command continue echo eval exec exit export false getopts hash help let local printf pwd read readonly return set shift source test times trap true type ulimit umask unalias unset wair [ [[ ash awk basename cat chmod chroot chvt clear cmp cp cut deallocvt df du dumpkmap echo egrep env expr false fbset fdflush fgrep find grep gunzip gzip hostname ipconfig ip kill ln locadfont loadkmap ls mkdir mkfifo mknod mkswap mktemp more mount mv openvt pidof printf ps pwd readlink reset rm rmdir set setkeycodes sh sleep sort stat static-sh stty switch_root sync tail tee test touch tr true tty unmount uname uniq unlzop wc wget which yes zcat
what's the problem and how to fix it?, could you help me please?
thanks in advance