file descriptors NAME /proc/pid/fd/ - file descriptors DESCRIPTION /proc/ pid /fd/ This is a subdirectory containing one entry for each file which the process has open, named by it…major numbers and device groups NAME /proc/devices - major numbers and device groups DESCRIPTION /proc/devices Text listing of major numbers and device groups. This can be used by …device-specific information NAME /proc/sys/dev/ - device-specific information DESCRIPTION /proc/sys/dev/ This directory contains device-specific information (e.g., dev/cdrom/info )…symbolic link to root directory NAME /proc/pid/root/ - symbolic link to root directory DESCRIPTION /proc/ pid /root/ UNIX and Linux support the idea of a per-process root of the fi…a filesystem for exporting kernel objects NAME sysfs - a filesystem for exporting kernel objects DESCRIPTION The sysfs filesystem is a pseudo-filesystem which provides an interface…memory-mapped files NAME /proc/pid/map_files/ - memory-mapped files DESCRIPTION /proc/ pid /map_files/ (since Linux 3.3) This subdirectory contains entries corresponding to memory-…network layer information NAME /proc/pid/net/, /proc/net/ - network layer information DESCRIPTION /proc/ pid /net/ (since Linux 2.6.25) See the description of /proc/net . /proc/net…network layer information NAME /proc/pid/net/, /proc/net/ - network layer information DESCRIPTION /proc/ pid /net/ (since Linux 2.6.25) See the description of /proc/net . /proc/net…Device unit configuration NAME systemd.device - Device unit configuration SYNOPSIS device .device DESCRIPTION A unit configuration file whose name ends in ".device" encodes informa…mount information NAME /proc/pid/mountinfo - mount information DESCRIPTION /proc/ pid /mountinfo (since Linux 2.6.26) This file contains information about mounts in the process's m…static information about the filesystems NAME fstab - static information about the filesystems SYNOPSIS /etc/fstab DESCRIPTION The file fstab contains descriptive information about…mapped memory regions NAME /proc/pid/maps - mapped memory regions DESCRIPTION /proc/ pid /maps A file containing the currently mapped memory regions and their access permissions. S…list of terminals on which root is allowed to login NAME securetty - list of terminals on which root is allowed to login DESCRIPTION The file /etc/securetty contains the names of t…mount statistics NAME /proc/pid/mountstats - mount statistics DESCRIPTION /proc/ pid /mountstats (since Linux 2.6.17) This file exports information (statistics, configuration infor…terminal device to default terminal type mapping NAME ttytype - terminal device to default terminal type mapping DESCRIPTION The /etc/ttytype file associates termcap (5) and termin…Resource control unit settings NAME systemd.resource-control - Resource control unit settings SYNOPSIS slice .slice, scope .scope, service .service, socket .socket, mount .mount, s…Swap unit configuration NAME systemd.swap - Swap unit configuration SYNOPSIS swap .swap DESCRIPTION A unit configuration file whose name ends in ".swap" encodes information about a…login records NAME utmp, wtmp - login records SYNOPSIS #include <utmp.h> DESCRIPTION The utmp file allows one to discover information about who is currently using the system. There…login records NAME utmp, wtmp - login records SYNOPSIS #include <utmp.h> DESCRIPTION The utmp file allows one to discover information about who is currently using the system. There…login records NAME utmp, wtmp - login records SYNOPSIS #include <utmp.h> DESCRIPTION The utmp file allows one to discover information about who is currently using the system. There…