filesystem + navigation:

 * ls
 * cd
 * pwd
 * rm
 * touch
 * mkdir

prozesse:

 * htop
 * ps

unix stuff:

 * whoami
 * pipes und redirects > < |
 * man


dateien "analysieren"

 * cat
 * grep
 * strings


networking

 * wget
 * nmap
 * dig

 * nano
 * hexdump/xxd
 * objdump


networking:

 * nmap
 * dig
 * netcat
 * curl/wget
 * ssh




tools:

 * debugger: r2/gdb/ghidra
 * exiftool
 * python/pwntools?