psall

伯克利做的SFTP安全文件传输协议

#! /bin/csh -f
# script to produce a list of all processes, with usernames
#   in column 1, process ids in column 2, and executable
#   names anywhere else on the line

# for some OSes, I know how to do it
switch ($OSTYPE)
case "linux":
  ps -aux
  exit

case "hp-ux":
  ps -ef
  exit

endsw

# try to figure out how to get a list of all processes

# try /bin/ps -ef, which I at one point thought worked on
# all systems, and is normal BSD method
set out = `/bin/ps -ef | head -1`
if ( "${out[1]}" == "USER" && "${out[2]}" == "PID" ) then
  /bin/ps -ef
  exit
endif

# try ps -aux, which works on (all?) System V
set out = `ps -aux | head -1`
if ( "${out[1]}" == "USER" && "${out[2]}" == "PID" ) then
  ps -aux
  exit
endif

# give up
echo "error: I couldn't figure out how to get a process list."
exit 2