2018/03/23 @ Training the Next System Administrator and Web Developer

[SAWD] 2018 March 23rd

Linux

TOC

Linux File System

/: file system root
/bin: system binaries, will be used when booting up, should be on the same partition of /
/dev: devices, should be on the same partition of /
/etc: system settings, should be on the same partition of /
/lib: system libraries, should be on the same partition of /
/sbin: privileged system libraries, should be on the same partition of /
/usr: unix specific resources
- /usr/bin: system binaries not used on boot
- /usr/sbin: system privileged binaries not used on boot
- /usr/local/bin: user installed binaries
- /usr/local/sbin: user installed privileged binaries
/var: highly variable data, e.g. cache, logs
/media: auto mounted removable devices

Symbolic Link: ln -s, can link to files or directories.
Hard Link: ln, can only link to files. It is actually just a file entry. Cannot Link between partitions, because it stores the inode value of an file.