Type the ps command, using the traditional BSD-style options and no leading dash, that lists every process on the system in the user-oriented format including processes without a controlling terminal.
LPIC-1 Exam 101-500, objective 103. GNU and Unix commands medium
Draft — not checked yet. This question was written from the published exam objectives and cites the clause it comes from, but nobody has yet read it against that clause and signed for it.
It is kept out of search results and out of mock exams until they have. Read the source below before you take the answer as settled.
Answer
Type the answer.
Accepted answers
ps auxps axups uaxps uxaps xaups xua
Case sensitive — Linux is, and grading LS as ls would teach a falsehood.
Why
In BSD syntax a selects processes of all users, x includes those with no controlling terminal, and u chooses the user-oriented output format with the USER, %CPU and %MEM columns. The UNIX-style equivalent for a full listing of everything is `ps -ef`. Note that ps accepts BSD options without a dash — writing `-aux` means something subtly different historically.
Where this comes from
- Cited
- LPI exam objective 103.5
- What it says
- List running processes with ps.
Practise this
Reading one question is not practice. The trainer will draw a set from objective 103 and space the ones you get wrong.