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.
Colonel is one of the officer ranks of Indian army and it is amongst the senior ranks. Lieutenant -- at the time of commission. Captain -- after two years of reckonable service from time of commission. Major-- after six years of reckonable service from time of commission. Lieutenant colonel.--after 13 years of reckonable service from time of commission. Colonel.-- 1.15 years of service required from time of commission and depends on selection on the basis of exams and your track record. 2. 26 years of service from the time of commission.