FROM lsof-command-examples
Introduction:
By default One file per line is displayed. Most of the columns are self explanatory. We will explain the details about couple of cryptic columns (FD and TYPE).
FD – Represents the file descriptor. Some of the values of FDs are,
- cwd – Current Working Directory
- txt – Text file
- mem – Memory mapped file
- mmap – Memory mapped device
- NUMBER – Represent the actual file descriptor. The character after the number i.e ‘1u’, represents the mode in which the file is opened. r for read, w for write, u for read and write.
TYPE – Specifies the type of the file. Some of the values of TYPEs are,
- REG – Regular File
- DIR – Directory
- FIFO – First In First Out
- CHR – Character special file
