Unix generally refers to a family of operating systems based off of the Unix operating system developed in the 1970s at Bell Labs by Ken Thompson, Dennis Ritchie, and team.
In a contemporary setting, people may use the term “Unix” to describe operating systems such as Linux or macOS.
Links to this note
- /dev/kmem
- /dev/mem
- /dev/null
- awk
- lsof
- sed
- libdl
- TCP Wrappers
- toroiseandthemalwahare-pwc2023
- incidentresponse-luttgens2014
- cunleashed-heathfield2000
- ps command
- watchdog
- cron
- … hidden directory
- /etc/fstab
- /proc/System.map
- /var/log
- /var/tmp
- a.out
- AIDE
- AIX
- auth.log
- Berkeley r-commands
- cat command
- cd command
- chmod
- chmod command
- chown command
- chroot
- chsh
- crontab persistence
- daemon
- default shell
- Dennis Ritchie
- diff
- directory
- dmesg command
- ELF
- environment
- file command
- file descriptor
- files
- find command
- FreeBSD
- GNU ld
- grep
- id command
- init process
- IRIX
- Ken Thompson
- kill command
- Linux Kernel
- LKM rootkit
- LOKI2
- ls command
- Lynis
- malware replacing legitimate system components
- malware setting files as immutable or append only
- man pages
- mkdir command
- mount command
- mutt
- named pipe
- NetBSD
- nobody user
- ntpd
- ntpdate
- OpenBSD
- package manager
- PAM
- passwd command
- passwd file
- Paul Vixie
- PID 1
- pipeline
- Plan 9
- POSIX
- program interpreter
- r-commands
- rc script persistence
- rc scripts
- root user
- setuid root
- shadow file
- shadow password suite
- shell script
- signal (operating systems)
- Solaris
- strace
- stty
- su command
- sudo
- suid
- suid root
- SunOS
- surfraw
- syslog
- tar command
- tarball
- tcpdump
- telnet command
- top command
- tty
- Unix philosophy
- virtual terminals