linux 文件与进程

1.?linux查看一个文件正被那些程序使用

fuser -hUsage: fuser [-fMuvw] [-a|-s] [-4|-6] [-c|-m|-n SPACE] [-k [-i] [-SIGNAL]] NAME... fuser -l fuser -VShow which processes use the named files,sockets,or filesystems.

-a,--all display unused files too -i,--interactive ask before killing (ignored without -k) -k,--kill kill processes accessing the named file -l,--list-signals list available signal names -m,--mount show all processes using the named filesystems or block device -M,--ismountpoint fulfill request only if NAME is a mount point -n,--namespace SPACE search in this name space (file,udp,or tcp) -s,--silent silent operation -SIGNAL send this signal instead of SIGKILL -u,--user display user IDs -v,--verbose verbose output -w,--writeonly kill only processes with write access -V,--version display version information -4,--ipv4 search IPv4 sockets only -6,--ipv6 search IPv6 sockets only - reset options

udp/tcp names: [local_port][,[rmt_host][,[rmt_port]]]

2.?查看该进程打开的文件

lsof -hlsof 4.86 latest revision: ftp://lsof.itap.purdue.edu/pub/tools/unix/lsof/ latest FAQ: ftp://lsof.itap.purdue.edu/pub/tools/unix/lsof/FAQ latest man page: ftp://lsof.itap.purdue.edu/pub/tools/unix/lsof/lsof_man usage: [-?abhKlnNoOPRtUvVX] [+|-c c] [+|-d s] [+D D] [+|-f[gG]] [+|-e s] [-F [f]] [-g [s]] [-i [i]] [+|-L [l]] [+m [m]] [+|-M] [-o [o]] [-p s][+|-r [t]] [-s [p:s]] [-S [t]] [-T [t]] [-u s] [+|-w] [-x [fl]] [--] [names]Defaults in parentheses; comma-separated set (s) items; dash-separated ranges. -?|-h list help -a AND selections (OR) -b avoid kernel blocks -c c cmd c ^c /c/[bix] +c w COMMAND width (9) +d s dir s files -d s select by FD set +D D dir D tree *SLOW?* +|-e s exempt s *RISKY* -i select IPv[46] files -K list tasKs -l list UID numbers -n no host names -N select NFS files -o list file offset -O no overhead *RISKY* -P no port names -R list paRent PID -s list file size -t terse listing -T disable TCP/TPI info -U select Unix socket -v list version info -V verbose search +|-w Warnings (+) -X skip TCP&UDP* files -- end option scan +f|-f +filesystem or -file names +|-f[gG] flaGs -F [f] select fields; -F? for help +|-L [l] list (+) suppress (-) link counts < l (0 = all; default = 0) +m [m] use|create mount supplement +|-M portMap registration (-) -o o o 0t offset digits (8) -p s exclude(^)|select PIDs -S [t] t second stat timeout (15) -T qs TCP/TPI Q,St (s) info -g [s] exclude(^)|select and print process group IDs -i i select by IPv[46] address: [46][proto][@host|addr][:svc_list|port_list] +|-r [t[m]] repeat every t seconds (15); + until no files,- forever. An optional suffix to t is m; m must separate t from and is an strftime(3) format for the marker line. -s p:s exclude(^)|select protocol (p = TCP|UDP) states by name(s). -u s exclude(^)|select login|UID set s -x [fl] cross over +d|+D File systems or symbolic Links names select named files or files on named file systemsAnyone can list all files; /dev warnings disabled; kernel ID check disabled.

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