Lsof (Unix) - Définition

lsof est une commande UNIX qui permet de lister les fichiers actuellement ouverts sur le système.

Exemple :

      % lsof      COMMAND    PID        USER   FD      TYPE             DEVICE     SIZE    NODE NAME      init         1        root  cwd   unknown                                     /proc/1/cwd (readlink: Permission denied)      init         1        root  rtd   unknown                                     /proc/1/root (readlink: Permission denied)      init         1        root  txt   unknown                                     /proc/1/exe (readlink: Permission denied)      init         1        root NOFD                                               /proc/1/fd (opendir: Permission denied)      kthreadd     2        root  cwd   unknown                                     /proc/2/cwd (readlink: Permission denied)      kthreadd     2        root  rtd   unknown                                     /proc/2/root (readlink: Permission denied)      kthreadd     2        root  txt   unknown                                     /proc/2/exe (readlink: Permission denied)      kthreadd     2        root NOFD                                               /proc/2/fd (opendir: Permission denied)      migration    3        root  cwd   unknown                                     /proc/3/cwd (readlink: Permission denied)      […]      lsof      4776 user  txt       REG                3,2   109800  462571 /usr/bin/lsof      lsof      4776 user  mem       REG                3,2  1375536  392869 /lib/libc-2.7.so      lsof      4776 user  mem       REG                3,2   119288  392872 /lib/ld-2.7.so      lsof      4776 user  mem       REG                3,2  1282752  490788 /usr/lib/locale/locale-archive      lsof      4776 user    4r     FIFO                0,6            43598 pipe      lsof      4776 user    7w     FIFO                0,6            43599 pipe