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Re:PowerShell is open sourced and is available on Linux by firethief on Thursday August 18, 2016 @01:00PM (#12314224)
ps aggregates /proc info for human viewing. Why grep the formatted output rather than the source data?
Re:PowerShell is open sourced and is available on Linux by PeCaN on Thursday August 18, 2016 @01:05PM (#12314304)
Maybe on Linux. OpenBSD doesn't even have procfs, FreeBSD deprecated it, DragonFlyBSD doesn't mount it by default.

/proc is a race condition waiting to happen, so I can't really say I recommend using that.