ps是一个很常用的命令,这里简单的笔记下。
CONTENTS
命令帮助:
cstriker1407@cstriker1407-x64:~$ ps --help all Usage: ps [options] Basic options: -A, -e all processes -a all with tty, except session leaders a all with tty, including other users -d all except session leaders -N, --deselect negate selection r only running processes T all processes on this terminal x processes without controlling ttys Selection by list: -C <command> command name -G, --Group <gid> real group id or name -g, --group <group> session or effective group name -p, --pid <pid> process id --ppid <pid> select by parent process id -s, --sid <session> session id -t, t, --tty <tty> terminal -u, U, --user <uid> effective user id or name -U, --User <uid> real user id or name selection <arguments> take either: comma-separated list e.g. '-u root,nobody' or blank-separated list e.g. '-p 123 4567' Output formats: -F extra full -f full-format, including command lines f, --forest ascii art process tree -H show process hierarchy -j jobs format j BSD job control format -l long format l BSD long format -M, Z add security data (for SELinux) -O <format> preloaded with default columns O <format> as -O, with BSD personality -o, o, --format <format> user defined format s signal format u user-oriented format v virtual memory format X register format -y do not show flags, show rrs vs. addr (used with -l) --context display security context (for SELinux) --headers repeat header lines, one per page --no-headers do not print header at all --cols, --columns, --width <num> set screen width --rows, --lines <num> set screen height Show threads: H as if they where processes -L possibly with LWP and NLWP columns -m, m after processes -T possibly with SPID column Miscellaneous options: -c show scheduling class with -l option c show true command name e show the environment after command k, --sort specify sort order as: [+|-]key[,[+|-]key[,...]] L list format specifiers n display numeric uid and wchan S, --cumulative include some dead child process data -y do not show flags, show rss (only with -l) -V, V, --version display version information and exit -w, w unlimited output width --help <simple|list|output|threads|misc|all> display help and exit For more details see ps(1).
常用命令:
ps的命令参数非常复杂,而且一般和grep相组合使用,因此这里只简单的笔记下几种最简单的参数。以后的随用随笔记把。
ps -ef:
显示全部的进程,并显示全部的进程信息。
ps -e f:
显示全部的进程,并用树形信息打印出来。
ps -ef f:
显示全部的进程,显示全部的进程信息,并用树形信息打印出来。
发表评论