console_codes.4: Document that \e[1;n] and \e[2;n] support 16 colors

[thirdparty/man-pages.git] / man7 / user_namespaces.7

diff --git a/man7/user_namespaces.7 b/man7/user_namespaces.7
index a8b65406cd4bb9e47b77f425e86ff01af8014560..49e9a5eed734fca3159cd18e6f3ea6b508869bef 100644 (file)
--- a/man7/user_namespaces.7
+++ b/man7/user_namespaces.7
@@ -24,7 +24,7 @@
 .\" %%%LICENSE_END
 .\"
 .\"
-.TH USER_NAMESPACES 7 2018-02-02 "Linux" "Linux Programmer's Manual"
+.TH USER_NAMESPACES 7 2019-03-06 "Linux" "Linux Programmer's Manual"
 .SH NAME
 user_namespaces \- overview of Linux user namespaces
 .SH DESCRIPTION
@@ -283,7 +283,7 @@ allows (since Linux 4.6)
 that process to the mount the cgroup version 2 filesystem and
 cgroup version 1 named hierarchies
 (i.e., cgroup filesystems mounted with the
-.BR """none,name="""
+.IR """none,name="""
 option).
 .PP
 Holding
@@ -356,7 +356,7 @@ The
 .BR NS_GET_USERNS
 .BR ioctl (2)
 operation can be used to discover the user namespace
-that owns a a nonuser namespace; see
+that owns a nonuser namespace; see
 .BR ioctl_ns (2).
 .\"
 .\" ============================================================
@@ -1036,7 +1036,7 @@ CapEff:   0000001fffffffff
 /* A simple error\-handling function: print an error message based
    on the value in \(aqerrno\(aq and terminate the calling process */
 
-#define errExit(msg)    do { perror(msg); exit(EXIT_FAILURE); \\
+#define errExit(msg)    do { perror(msg); exit(EXIT_FAILURE); \e
                         } while (0)
 
 struct child_args {
@@ -1049,35 +1049,35 @@ static int verbose;
 static void
 usage(char *pname)
 {
-    fprintf(stderr, "Usage: %s [options] cmd [arg...]\\n\\n", pname);
+    fprintf(stderr, "Usage: %s [options] cmd [arg...]\en\en", pname);
     fprintf(stderr, "Create a child process that executes a shell "
-            "command in a new user namespace,\\n"
-            "and possibly also other new namespace(s).\\n\\n");
-    fprintf(stderr, "Options can be:\\n\\n");
+            "command in a new user namespace,\en"
+            "and possibly also other new namespace(s).\en\en");
+    fprintf(stderr, "Options can be:\en\en");
 #define fpe(str) fprintf(stderr, "    %s", str);
-    fpe("\-i          New IPC namespace\\n");
-    fpe("\-m          New mount namespace\\n");
-    fpe("\-n          New network namespace\\n");
-    fpe("\-p          New PID namespace\\n");
-    fpe("\-u          New UTS namespace\\n");
-    fpe("\-U          New user namespace\\n");
-    fpe("\-M uid_map  Specify UID map for user namespace\\n");
-    fpe("\-G gid_map  Specify GID map for user namespace\\n");
-    fpe("\-z          Map user\(aqs UID and GID to 0 in user namespace\\n");
-    fpe("            (equivalent to: \-M \(aq0 <uid> 1\(aq \-G \(aq0 <gid> 1\(aq)\\n");
-    fpe("\-v          Display verbose messages\\n");
-    fpe("\\n");
-    fpe("If \-z, \-M, or \-G is specified, \-U is required.\\n");
-    fpe("It is not permitted to specify both \-z and either \-M or \-G.\\n");
-    fpe("\\n");
-    fpe("Map strings for \-M and \-G consist of records of the form:\\n");
-    fpe("\\n");
-    fpe("    ID\-inside\-ns   ID\-outside\-ns   len\\n");
-    fpe("\\n");
+    fpe("\-i          New IPC namespace\en");
+    fpe("\-m          New mount namespace\en");
+    fpe("\-n          New network namespace\en");
+    fpe("\-p          New PID namespace\en");
+    fpe("\-u          New UTS namespace\en");
+    fpe("\-U          New user namespace\en");
+    fpe("\-M uid_map  Specify UID map for user namespace\en");
+    fpe("\-G gid_map  Specify GID map for user namespace\en");
+    fpe("\-z          Map user\(aqs UID and GID to 0 in user namespace\en");
+    fpe("            (equivalent to: \-M \(aq0 <uid> 1\(aq \-G \(aq0 <gid> 1\(aq)\en");
+    fpe("\-v          Display verbose messages\en");
+    fpe("\en");
+    fpe("If \-z, \-M, or \-G is specified, \-U is required.\en");
+    fpe("It is not permitted to specify both \-z and either \-M or \-G.\en");
+    fpe("\en");
+    fpe("Map strings for \-M and \-G consist of records of the form:\en");
+    fpe("\en");
+    fpe("    ID\-inside\-ns   ID\-outside\-ns   len\en");
+    fpe("\en");
     fpe("A map string can contain multiple records, separated"
-        " by commas;\\n");
+        " by commas;\en");
     fpe("the commas are replaced by newlines before writing"
-        " to map files.\\n");
+        " to map files.\en");
 
     exit(EXIT_FAILURE);
 }
@@ -1105,17 +1105,17 @@ update_map(char *mapping, char *map_file)
     map_len = strlen(mapping);
     for (j = 0; j < map_len; j++)
         if (mapping[j] == \(aq,\(aq)
-            mapping[j] = \(aq\\n\(aq;
+            mapping[j] = \(aq\en\(aq;
 
     fd = open(map_file, O_RDWR);
     if (fd == \-1) {
-        fprintf(stderr, "ERROR: open %s: %s\\n", map_file,
+        fprintf(stderr, "ERROR: open %s: %s\en", map_file,
                 strerror(errno));
         exit(EXIT_FAILURE);
     }
 
     if (write(fd, mapping, map_len) != map_len) {
-        fprintf(stderr, "ERROR: write %s: %s\\n", map_file,
+        fprintf(stderr, "ERROR: write %s: %s\en", map_file,
                 strerror(errno));
         exit(EXIT_FAILURE);
     }
@@ -1155,13 +1155,13 @@ proc_setgroups_write(pid_t child_pid, char *str)
            user know. */
 
         if (errno != ENOENT)
-            fprintf(stderr, "ERROR: open %s: %s\\n", setgroups_path,
+            fprintf(stderr, "ERROR: open %s: %s\en", setgroups_path,
                 strerror(errno));
         return;
     }
 
     if (write(fd, str, strlen(str)) == \-1)
-        fprintf(stderr, "ERROR: write %s: %s\\n", setgroups_path,
+        fprintf(stderr, "ERROR: write %s: %s\en", setgroups_path,
             strerror(errno));
 
     close(fd);
@@ -1183,7 +1183,7 @@ childFunc(void *arg)
                                    when parent closes its descriptor */
     if (read(args\->pipe_fd[0], &ch, 1) != 0) {
         fprintf(stderr,
-                "Failure in child: read from pipe returned != 0\\n");
+                "Failure in child: read from pipe returned != 0\en");
         exit(EXIT_FAILURE);
     }
 
@@ -1191,7 +1191,7 @@ childFunc(void *arg)
 
     /* Execute a shell command */
 
-    printf("About to exec %s\\n", args\->argv[0]);
+    printf("About to exec %s\en", args\->argv[0]);
     execvp(args\->argv[0], args\->argv);
     errExit("execvp");
 }
@@ -1271,7 +1271,7 @@ main(int argc, char *argv[])
     /* Parent falls through to here */
 
     if (verbose)
-        printf("%s: PID of child created by clone() is %ld\\n",
+        printf("%s: PID of child created by clone() is %ld\en",
                 argv[0], (long) child_pid);
 
     /* Update the UID and GID maps in the child */
@@ -1307,7 +1307,7 @@ main(int argc, char *argv[])
         errExit("waitpid");
 
     if (verbose)
-        printf("%s: terminating\\n", argv[0]);
+        printf("%s: terminating\en", argv[0]);
 
     exit(EXIT_SUCCESS);
 }