Chkdsk performs a couple of functions, depending on how itâs run: 1  Chkdskâs basic function is to scan the integrity of the file system and file system metadata on a disk volume and fix any logical file system errors that it finds. 2  Chkdsk can also optionally scan every sector on a disk volume looking for bad sectors. Bad sectors come in two forms: soft bad sectors, that can occur when data is written badly, and hard bad sectors that can occur because of physical damage to the disk.
The rank of colonel is typically above the rank of lieutenant colonel. The rank above colonel is typically called brigadier, brigade general or brigadier general. Equivalent naval ranks may be called captain or ship-of-the-line captain. In the Commonwealth air force rank system, the equivalent rank is group captain.
In the Marine Corps, officers generally reach the rank of Colonel after 16 to 18 years of service.Most Marine Corps Colonels receive special training at the Army War College in Pennsylvania or the Marine Corps War College in Virginia, which graduate several hundred Marine Corps officers a year. Colonel is the final stepping stone rank before the General Officer ranks, and Colonels showing exceptional skill and leadership may be promoted to Brigadier General. Colonel is the 23rd rank in the United States Marine Corps , ranking above Lieutenant Colonel and directly below Brigadier General. A colonel is a Field Officer at DoD paygrade O-6, with a starting monthly pay of $6,399.