PSTREE(1) PSTREE(1) pstree -- pstree [-a, --arguments] [-c, --compact-not] [-C, --color ] [-g, --show-pgids] [-h, --highlight-all, -H pid, --highlight-pid pid] [-l, --long] [-n, --numeric-sort] [-N, --ns-sort ] [-p, --show-pids] [-s, --show-parents] [-S, --ns-changes] [-t, --thread-names] [-T, --hide-threads] [-u, --uid-changes] [-Z, --security-context] [-A, --ascii, -G, --vt100, -U, --unicode] [pid, ] pstree -V, --version pstree . pid init, pid . ' , , . pstree ' , . : init-+-getty |-getty |-getty `-getty init---4*[getty] . : icecast2---13*[{icecast2}] pstree pstree.x11, Enter , . , pstree . , hidepid procfs, . pstree , . -a . , . -a , . -A ASCII. -c . , , . -C . pstree age, . , 60 , , -- , -- . -g PGID. (PGID) . PID PGID, PID . -G VT100. -h . , . -H -h, . -h, pstree , -H, . -l . , , COLUMNS, , . , 132. -n PID, . ( .) -N : ipc, mnt, net, pid, time, user, uts. , . -p PID. PID . -p . -s . -S . -N. , . -t , . -T . -u uid. uid uid , uid . -U UTF-8 (Unicode). Linux 1.1-54 UTF-8 echo -e ' 33%8', -- echo -e ' 33%@'. -V . -Z . SELinux . /proc VT100. ps(1), top(1), proc(5). psmisc 21 2021 PSTREE(1)