tree /dev ###################################
/dev
├── console -> /dev/pts/0
├── fd -> /proc/self/fd
├── full
├── null
├── ptmx
├── pts
│ ├── 0
│ └── ptmx
├── random
├── shm -> /run/shm
├── stderr -> /proc/self/fd/2
├── stdin -> /proc/self/fd/0
├── stdout -> /proc/self/fd/1
├── tty1 -> /dev/pts/0
├── urandom
└── zero
mount #####################################
tmpfs on /run type tmpfs (rw,noexec,nosuid,size=10%,mode=755)
tmpfs on /run/lock type tmpfs (rw,noexec,nosuid,nodev,size=5242880,mode=1777)
proc on /proc type proc (rw,noexec,nosuid,nodev)
sysfs on /sys type sysfs (rw,noexec,nosuid,nodev)
udev on /dev type tmpfs (rw,mode=0755)
tmpfs on /run/shm type tmpfs (rw,noexec,nosuid,nodev,size=1629660k,mode=1777)
devpts on /dev/pts type devpts (rw,noexec,nosuid,gid=5,mode=620)
rootfs on / type rootfs (rw)
cat /etc/mtab #################################
tmpfs /run tmpfs rw,noexec,nosuid,size=10%,mode=755 0 0
tmpfs /run/lock tmpfs rw,noexec,nosuid,nodev,size=5242880,mode=1777 0 0
proc /proc proc rw,noexec,nosuid,nodev 0 0
sysfs /sys sysfs rw,noexec,nosuid,nodev 0 0
udev /dev tmpfs rw,mode=0755 0 0
tmpfs /run/shm tmpfs rw,noexec,nosuid,nodev,size=1629660k,mode=1777 0 0
devpts /dev/pts devpts rw,noexec,nosuid,gid=5,mode=620 0 0
rootfs / rootfs rw 0 0
################################################
th@k500b:~$ tree /etc/rc{0,6,S}.d #####################
/etc/rc0.d
/etc/rc6.d
/etc/rcS.d
0 directories, 0 files
th@k500b:~$ ll /etc/mtab ###########################
lrwxrwxrwx 1 root root 12 12月 21 12:26 /etc/mtab -> /proc/mounts
th@k500b:~$ pstree -a #############################
init
├─login --
│ └─bash
│ └─pstree -a
└─sshd
th@k500b:~$ ps -ef #############################
UID PID PPID C STIME TTY TIME CMD
root 1 0 0 12:27 ? 00:00:00 init [3]
root 53 1 0 12:27 ? 00:00:00 /usr/sbin/sshd
root 78 1 0 12:27 pts/0 00:00:00 /bin/login --
th 79 78 0 12:27 pts/0 00:00:00 -bash
th 85 79 0 12:27 pts/0 00:00:00 ps -ef
th@k500b:~$ cat /etc/mtab ########################
rootfs / rootfs rw 0 0
devpts /dev/pts devpts rw,nosuid,relatime,gid=5,mode=620,ptmxmode=666 0 0
none / aufs rw,relatime,si=4dca5b23557dc732 0 0
devpts /dev/pts devpts rw,nosuid,relatime,gid=5,mode=620,ptmxmode=666 0 0
proc /proc proc rw,nosuid,nodev,noexec,relatime 0 0
proc /proc/sys proc ro,relatime 0 0
sysfs /sys sysfs ro,relatime 0 0
devfs /dev tmpfs rw,nosuid,relatime,size=64k,mode=755 0 0
devpts /dev/ptmx devpts rw,nosuid,relatime,gid=5,mode=620,ptmxmode=666 0 0
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