#### Linux From Scratch - Version 7.9

### Chapter 6. Installing Basic System Software

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# 6.26. Psmisc-22.21

The Psmisc package contains programs for displaying information about running processes.

Approximate build time: less than 0.1 SBU
Required disk space: 4.2 MB

## 6.26.1. Installation of Psmisc

Prepare Psmisc for compilation:

    ./configure --prefix=/usr

Compile the package:

    make

This package does not come with a test suite.

Install the package:

    make install

Finally, move the killall and fuser programs to the location specified by the FHS:

    mv -v /usr/bin/fuser   /bin
    mv -v /usr/bin/killall /bin

## 6.26.2. Contents of Psmisc

Installed programs: fuser, killall, peekfd, prtstat, pstree, and pstree.x11 (link to pstree)

### Short Descriptions

fuser | Reports the Process IDs (PIDs) of processes that use the given files or file systems
killall | Kills processes by name; it sends a signal to all processes running any of the given commands
peekfd | Peek at file descriptors of a running process, given its PID
prtstat | Prints information about a process
pstree | Displays running processes as a tree
pstree.x11 | Same as pstree, except that it waits for confirmation before exiting

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