Add documentation for keep-dev-shm option

2 files changed, 13 insertions, 0 deletions

diff --git a/src/man/firejail-profile.txt b/src/man/firejail-profile.txt
index 50455b038..767cf89f4 100644
--- a/src/man/firejail-profile.txt
+++ b/src/man/firejail-profile.txt
@@ -233,6 +233,9 @@ The same directory is also bind-mounted over /sbin, /usr/bin and /usr/sbin.
 Create a new /dev directory. Only disc, dri, null, full, zero, tty, pts, ptmx,
 random, snd, urandom, video, log and shm devices are available.
 .TP
+\fBkeep-dev-shm
+/dev/shm directory is untouched (even with private-dev).
+.TP
 \fBprivate-etc file,directory
 Build a new /etc in a temporary
 filesystem, and copy the files and directories in the list.
diff --git a/src/man/firejail.txt b/src/man/firejail.txt
index 24d4bbd8c..74a9a9da9 100644
--- a/src/man/firejail.txt
+++ b/src/man/firejail.txt
@@ -678,6 +678,16 @@ Same as "firejail --join=name" if sandbox with specified name exists, otherwise
 Note that in contrary to other join options there is respective profile option.
 
 .TP
+\fB\-\-keep-dev-shm
+/dev/shm directory is untouched (even with --private-dev)
+.br
+
+.br
+Example:
+.br
+$ firejail --keep-dev-shm --private-dev
+
+.TP
 \fB\-\-keep-var-tmp
 /var/tmp directory is untouched.
 .br