week 3 Flashcards
1
Q
ELF
A
Executable and Linkable Format: default executable file format on linux
2
Q
SIGILL
A
Illegal instruction (ie dividing by zero)
3
Q
SigSEV
A
Segmentation violation (ie trying to read or modify memory that hasn’t been allocated)
4
Q
SIGPIPE
A
Network socket/pipe is closed by other end
5
Q
SigINT
A
interuppt process
6
Q
SIG TERM
A
order prodcess to clean up its state and terminate
7
Q
SIGKILL
A
forcibly terminate process
8
Q
find
A
command that searches for files/directories
i.e. find ~ -type f -name “*.txt”
9
Q
grep
A
look for strings inside files
i.e. grep search_term file path
10
Q
what does ps -e do?
A
ps -e lists every running process in the OS
11
Q
what does ps -o do?
A
Allows you to select which column that you want outputted
ie ps -o pid,user